The Valdivia earthquake in Chile in 1960 and the tsunami and earthquake in Tohoku, Japan, both caused significant property damage and fatalities.
Both quakes produced tsunamis that traveled across the Pacific Ocean and obliterated neighboring nations. The abrupt displacement of tectonic plates along a fault line, which released energy in the form of seismic waves, caused these earthquakes.
Conversely, seismic waves rarely penetrate the interior of the Earth. The layers of the Earth reflect and bend these rays.
The earthquakes caused destruction and loss, but they also gave scientists vital information that will improve their comprehension of past earthquakes and their ability to predict future ones.
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The fact that the Earth has moved along its orbit in the time it took to rotate once is the reason for
The fact that the Earth has moved along its orbit in the time it took to rotate once is the reason for the difference between a solar day and a sidereal day.
What is a solar day?A solar day is the time it takes for the Earth to rotate once on its axis and also move one position in its orbit around the sun. A sidereal day is the time it takes for the Earth to rotate once on its axis with respect to the fixed stars. The solar day is slightly longer than the sidereal day because the Earth has moved along its orbit during the rotation.
Therefore, the Earth moved along its orbit in the time it took to rotate once is the reason for the difference between a solar day and a sidereal day.
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A tile company adds 10% spoilage when estimating floors. We have a floor that is
75 feet by 68 feet and we want to know about what the company is going to buy to
account for the spoilage. We estimate the dimensions of the room to the nearest tens
and then the 10% spoilage.
The Tigris and Euphrates Rivers were significant for ancient Mesopotamians for all of the following reasons except:
A. The rivers carried silt downstream, enriching the soil
B. The rivers facilitated trade
C. The rivers acted as a barrier that protected ancient Mesopotamians from foreign invasions
D. The rivers brought large amounts of freshwater to a region that otherwise received little or irregular rainfall
Option C, The rivers acted as a barrier that protected ancient Mesopotamians from foreign invasions.
The Tigris and Euphrates Rivers were significant for ancient Mesopotamians for several reasons.
The rivers carried silt downstream, enriching the soil and making it fertile for agriculture, the rivers facilitated trade by providing a means of transportation and communication, and the rivers brought large amounts of fresh water to a region that otherwise received little or irregular rainfall.
The rivers also played an important role in the development of early urban societies in Mesopotamia.
However, the rivers did not act as a barrier that protected ancient Mesopotamians from foreign invasions. Instead, the region was often invaded and conquered by various groups throughout history.
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Historians have multiple theories about why this trend occurred. What are they?
Therefore, critical history is first and foremost history that is based on a moral and political perspective in the present, on a valid dissatisfaction with life as it is being lived today, and on an effort to reflect on that dissatisfaction through historical inquiry.
What are historiographical trends?A historiographical trend is an altering pattern in the techniques employed by historians if historiography is the study of historians' methods. These techniques can be categorized under a number of headings, including political, economic, and social history.
There are many different sources used to create history. Modern historians use both primary sources and a wide range of secondary sources, including the work of other historians, both those working now and those who worked in the past, because sources are constantly produced and also studied.
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which of the following are correct ways of determining if two compound propositions p and q are equivalent. (select all that are correct.)
The correct ways of determining if two compound propositions p and q are equivalent is option B. if their truth tables are the same.
An unconnected assertion is a basic statement or proposal. In other words, a claim is deemed simple if it cannot be subdivided into multiple claims. A compound proposition, in contrast side, consists of two or more assertions connected by connectives.
If both of the propositions have the same truth value, they are equivalent or logically comparable. In other words, if p is true whenever q is true and vice versa, and if p is false whenever q is false and vice versa, p and q are logically comparable.
The question is incomplete, find the complete question here
which of the following are correct ways of determining if two compound propositions p and q are equivalent. (select all that are correct.)
A. if proposition is tautology, then p and q are equivalent
B. if their truth tables are the same, then p and q are equivalent
C. if p<--->q, their truth tables are the same
D. if p--->q, their truth tables are the same
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according to the concentric zone theory, the central zone ends up being primarily occupied by the poorest residents because of lack of upward social mobility. however, this changes with the occurrence of , which refers to the process by which members of the middle and upper-middle classes, especially whites, move into a central-city area and renovate existing properties. group of answer choices unionism degrowth gentrification retrenchment
The concentric zone theory states that because there is little upward social mobility, the poorest people end up living in the central zone the most.
Neo-classical economic theory uses regional variations in labour supply and demand to explain migration at the macroeconomic level. Workers shift from low-wage, labor-surplus regions to high-wage, labour-scarce regions as a result of the wage differences that result.
The general health and dietary status of women of childbearing age are two additional biological factors that affect fertility. The responsibilities that women can play in a community and widely held beliefs about what makes for the "ideal" family size are social factors that affect the degree of fertility.
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According to the concentric zone hypothesis, the poorest individuals end up residing in the core zone the most since there is limited upward social mobility.
Macroeconomic migration is explained by Neo-classical economic theory using geographical changes in labor supply and demand. Due to the resulting pay discrepancies, workers move from low-wage, labor-surplus regions to high-wage, labor-scarce regions.
Two more biological elements that influence fertility are a woman's overall health and her food habits. Social variables that influence the level of fertility include the roles that women can play in their communities and generally held notions about what constitutes the "ideal" family size.
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According to the Global Velocity map, is Europe or North American moving faster.
Along the coast of California, the North American Plate forms divergent boundaries with the Eurasian Plate and transform boundaries with the Pacific Plate.
What type of plate boundary is North American and Eurasian plates?Along the coast of California, the North American Plate forms divergent boundaries with the Eurasian Plate and transform boundaries with the Pacific Plate. Three different types of tectonic boundaries are produced by plate motion: convergent boundaries, which occur when plates move into one another; divergent boundaries, which occur when plates move apart; and transform boundaries, which occur when plates shift sideways with respect to one another. Three different types of plate boundaries—divergent, convergent, and transform—are where most seismic activity occurs. Occasionally, as the plates pass one other and become caught, pressure is created. All plate tectonic movements appear to be quite sluggish. The Eurasian Plate only moves 7–14 millimeters each year in this instance.To learn more about plate boundary refer to:
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6. Which region is known for it's cold climates and outdoor sports?
Answer:
The Artic!
Explanation:
the solar nebula theory of the formation of the solar system accounts for the differences in composition between the terrestrial and jovian planets.
A statement "The solar nebula theory of the formation of the solar system accounts for the differences in composition between the terrestrial and jovian planets." is true because Jovian planets are made of hydrogen and helium.
What is solar nebula theory?According to the solar nebular theory, a nebula cloud comprised of a collection of gas and dust is what causes our solar system to develop. The sun, planets, moons, and asteroids are thought to have all originated from a nebula at around the same time, 4.5 billion years ago. Following are the steps in nebular theory. As part of the cloud of gas and dust condenses into a core and becomes a protostar, the nebula changes into a solar nebula. The material condensing could have been brought on by a nearby supernova shockwave.
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Based on the concept of isostatic adjustment, which of the following would result in the uplift of Earth's surface?
The process by which the Earth's crust adapts to changes in the distribution of mass on and beneath it is known as isostatic adjustment.
The Earth's crust can be visualized as a pliable "lid" resting on the Earth's mantle, which is composed of denser rock. The crust flexes down when a load (such as a glacier, an ocean, or a mountain) is added to it and flexes back up when the load is removed.
The uplift of the Earth's surface may be a result of this process. So, in response to your query:
A. An uplift of the Earth's surface would result from a glacier melting.
B. The Earth's surface would be lifted if a mountain range eroded.
C. The Earth's surface would be raised if an ocean were to recede.
The Earth's surface would be raised as a result of any of the correct options listed above.
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Which region was the birthplace of the Greek and Roman empires?
Answer:
The Greek and Roman empires were both born in the region of the Mediterranean. The Greek empire emerged in the city-states of ancient Greece, which were located on the Balkan Peninsula and on the coast of Asia Minor. The Roman empire emerged in the city of Rome, which was located in the central region of Italy, known as Latium.
Answer:
all around the Mediterranean and along the coast of the Black Sea.
Explanation:
FILL IN THE BLANK If a jetty is built to protect a harbor, it can interfere with longshore drift. On the up-drift side of the jetty, ______, whereas on the down-drift side, ______.
If a jetty is built to protect a harbor, it can interfere with longshore drift. On the up-drift side of the jetty, sand will build up, whereas on the down-drift side, the beach will erode.
A jetty is a structure that projects into water in order to alter the flow of water, create a safe harbor, or do any combination of these things. As a defense against the eroding effects of water's currents, tides, and waves, jetties are an essential component of any safe and secure coastline. It is possible to utilize jetties to dock ships and unload cargo in deeper water that is further from shore. Pier is the common name for this style of jetty. Because jetties are typically built perpendicular to the beach, they can disrupt longshore drift and lead to erosion in down drift areas (Sand that accumulates along the jetties can be moved to other parts of the beach as a preventative measure.)
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use the mineral identification charts to identify which mineral would be light-colored and have a non-metallic luster with a hardness greater than 6.5 (streak plate). the hardness is on the far left of the sheet and refers to the mohs hardness scale which ranges from 1 (softest) - 10 (hardest).
A mineral with a hardness of greater than 6.5 on the Mohs scale and is light in color and lacking a metallic luster is known as quartz. It rates as 7 on the scale of hardness.
Quartz is a mineral that comes in a wide range of shapes and colors, including clear, white, and colored varieties. It stands out thanks to its pale hue and non-metallic luster. In addition, quartz, which has a Mohs hardness of seven, is relatively tough.
This indicates that it can scratch a penny but not a steel nail. Using a scale from 1 (the softest) to 10 (the hardest), the Mohs scale is used to determine how hard a mineral is.
Quartz is distinguishable from other minerals by its hardness and luster and is harder than 6.5 on the hardness scale. It can also be distinguished by its white streak color.
Quartz is a typical mineral present in many different types of rocks and is used in a wide range of decorative and industrial applications.
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A satellite is in a circular orbit 500 miles above the surface of the Earth. What is the period of the orbit? (You may take the radius of the Earth to be 4000 miles.)
Answer:
The orbital period of a satellite with circular orbit is given by
T
2
R
3
=
4
π
2
G
M
where
T
is the orbital period,
R
is the distance between the center of the planet and the satellite,
G
is the gravitational constant, and
M
is the mass of the Earth.
The period of the orbit is approximately 8.86 hours.
The period of an orbit is the time it takes for a satellite to complete one full orbit around the Earth. The period is determined by the distance of the satellite from the Earth's center and the gravitational force acting on it.
We can find the period of the orbit using Kepler's third law of motion:
T² = (4π² × (R+h)³) / (G × M)
where T is the period of the orbit in seconds, h is the altitude of the satellite (500 miles), R is the radius of the Earth (4000 miles), G is the gravitational constant (6.67 × 10⁻¹¹ N(m/kg)²) and M is the mass of the Earth (5.97 × 10²⁴ kg).
First, we need to convert the radius of the Earth and the altitude of the satellite from miles to meters.
1 mile = 1609.34 meters
R = 4000 miles × 1609.34 meters/mile = 6,371,600 meters
h = 500 miles × 1609.34 meters/mile = 804,670 meters
T² = (4π² × (6371600 + 804670)³) / (6.67 × 10⁻¹¹ × 5.97 × 10²⁴)
T² = 1.087 × 10¹⁶
T = √(1.087 × 10¹⁶)
T = 3.296 × 10⁸ seconds
To get the period in hours, we divide by the number of seconds in an hour:
T = 3.296 × 10⁸ seconds / (60 × 60) = approximately 8.86 hours
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The terms "First World," "Second World," and "Third World" categorize countries according to __________
The terms "First World," "Second World," and "Third World" categorize countries according to degree of economic development and the standard of living.
"First World," "Second World," and "Third World"—those terms were developed during the Cold War. This classification is based on the degree of economic development and the standard of living.
1. The term "First World" refers to countries of capitalistic democracies, such as the United States and Japan.
2. The Second World is a category of countries with moderate economies and living standards, such as China or Cuba.
3. The third category includes the poorest and least developed countries, which include the majority of Sub-Saharan Africa, Latin America, and Asia.
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Which of the following rock cycle processes usually occurs at great depth, in the lower crust or mantle
The type of rock cycle process usually occurs at great depth, in the lower crust or mantle is melting. Hence, the correct option is (A).
What Is Melting?Rocks are a form of matter that exists on the surface of the earth where rocks form naturally on the earth and consist of several chemical compounds. Stone also has what is called the rock cycle where which illustrates that the shape of a rock can change with movement. One form of the rock cycle is melting where solid rock is deformed due to the pressure and intense heat that occurs in the lower crust of the earth.
The question is incomplete, but most probably your question was:
The type of rock cycle processes usually occurs at great depth, in the lower crust or mantle is
A. Melting
B. Oceanic
C. Crust
D. Basalt
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based on the following map, name the 3 large estuarine systems near the future location of the pioneer array near the mab?
The three significant estuarine systems nearby the future location of the Pioneer array near the MAB are Albemarle Sound, Pamlico Sound, and the Chesapeake Bay, as shown on the following map.
The three main estuarine systems close to the future location of the Pioneer array in the southern Mid-Atlantic Bight (MAB) are Albemarle Sound, Pamlico Sound, and the Chesapeake Bay.
Estuaries are vast, partially enclosed bodies of water that are formed when freshwater from rivers and streams and saltwater from the ocean mix.
They distinguish themselves by possessing unique ecological and environmental characteristics that support a variety of plants and animals.
A network of oceanographic monitoring systems known as the Pioneer Array is used to investigate the physical, chemical, and biological characteristics of these estuarine systems and the nearby coastal waters.
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The question is -
Based on the following map, name the 3 large estuarine systems near the future location of the Pioneer array near the MAB.
many hard rock groups used symbols of witchcraft and death to the dismay of parents, not unlike how parents viewed the overt sexual dancing of elvis
It is true that many hard rock groups in the past have used symbols and imagery associated with witchcraft and death, which has led to concern and criticism from some parents.
This is similar to how some parents in the past have expressed disapproval of the overtly sexual dancing of musicians like Elvis Presley. This use of dark imagery and symbols in hard rock music can be seen as a form of rebellion and a way for the artists to express their individuality and counterculture views. It can also be seen as a way to appeal to the youth market and create a sense of mystique and intrigue. However, some people have criticized this use of dark imagery as being harmful and promoting negative messages.
Symbolism isn't just used in hard rock music; it's been used in many other types of art and popular culture as well.
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mirabel has let out 50 feet of string when she sees that her kite is directly above luisa of mirabel and luisa are 35 feet apart how high is the kite
Answer:
15
Explanation:
The height where the kite is flying will be 35.71 feet.
What is a Pythagoras theorem?The Pythagoras theorem states that the sum of two squares equals the squared of the longest side.
The Pythagoras theorem formula is given as
H² = P² + B²
Mirabel has let out 50 feet of string when she sees that her kite is directly above Luisa of Mirabel and Luisa is 35 feet apart.
Then the height where the kite is flying will be given as,
50² = h² + 35²
2500 = h² + 1225
h² = 2500 - 1225
h² = 1275
h = 35.71 feet
The height where the kite is flying will be 35.71 feet.
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the islands of japan, are an example of an island arc, which are formed by the of a denser oceanic tectonic plate sinking under a less dense oceanic tectonic plate. this also caused the creation of a .
Answer:
convergent plate boundary
Japan has been situated in the convergent plate boundary during long geohistorical ages. This means that the Japanese islands are built under the subduction tectonics. The oceanic plate consists of the oceanic crust and a part of the mantle beneath it.
The needs of the urban landscape have changed since the 1950s. Respond to the prompts below using your knowledge of urban settlement patterns and demographics
A. Describe the shift in population in the United States since 1950.
B. Explain how this shift relates to socioeconomic OR demographic trends.
C. Explain the degree to which transportation lines have impacted settlement patterns in the United States since the 1950s.
D. Compare urban and suburban enclaves.
E. Describe how government policies have shaped the growth of either cities OR the suburbs
F. Describe how smart growth policies have helped to combat unsustainable growth in urban landscapes
G. Explain how the urban renewal movement is impacting the cultural landscape.
The population of the United States expanded from 157.8 million in 1950 to 312.2 million in 2010, an increase of 98% at an average yearly rate of 1.1%. As a result, the expected annual rate of population increase in the United States is only roughly half that of recent years.
Although policy solutions to address the shifting demographic profile will not be specifically covered in this report, it is crucial to understand that the demographic momentum will have a significant impact on the economic and social factors that will determine future societal well-being. If policymakers accelerate efforts to address and adapt to the changing population profile as it relates to a number of crucial domains, such as work, retirement, and pensions; private wealth and income security; the federal budget and intergenerational equity; health, healthcare, and health spending; and the health and well-being of the agin, there is ample reason to believe that the United States will be able to cope with the current and projected demographic changes.
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when a light gray region is adjacent to a dark gray region, the area of the light gray region
The area near the dark gray region are receiving less lateral inhibition than neurons coding other parts of the light gray region is called neuron coding.
Neural codingNeural coding (or Neural representation) is a neuroscience field concerned with characterising the hypothetical relationship between the stimulus and the individual or ensemble neuronal responses and the relationship among the electrical activity of the neurons in the ensemble. Based on the theory that sensory and other information is represented in the brain by networks of neurons, it is thought that neurons can encode both digital and analog information.
Your question is incomplete but most probably your full question was:
When a light gray region is adjacent to a dark gray region, the area of the light gray region that is near to the dark gray region appears lighter than other parts of the light gray region. This Occurs because:
A. neurons coding the area near the dark gray region are receiving less excitatory input than neurons coding other parts of the light gray region
B. neurons coding the area near the dark gray region are receiving more lateral inhibition than neurons coding other parts of the light gray region
C. neurons coding the area near the dark gray region are receiving more excitatory input than neurons coding other parts of the light gray region
D. neurons coding the area near the dark gray region are receiving less lateral inhibition than neurons coding other parts of the light gray region
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due to population growth, particularly in less-developed countries, it is estimated that million-death earthquakes are likely to occur once every blank years.
Due to population growth, particularly in less-developed countries, it is estimated that million-death earthquakes are likely to occur once every 100 years.
How Deadly Is An Earthquake?An earthquake is a form of natural disaster that often occurs in several countries in the world. This earthquake basically occurs because of the movement of the earth's plates which makes the earth's surface vibrate. Earthquakes are measured using the Richter scale and the higher the number, the bigger the earthquake. Earthquakes can have a very extraordinary impact, especially in densely populated developing countries. This can happen because in a densely populated country, it will be difficult to evacuate. In addition, population density also causes the collapse of buildings resulting in loss of human life. Researchers estimate that at least once every 100 years there will be a devastating earthquake that kills more than 1 million people.
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sean is interested in how climate influences exercise habits. he believes that, on average, people who live in cold climates exercise less than those in warm climates, because the cold weather deters people from exercising outdoors. to investigate his
A hypothesis is a conjecture or a claim based on scant data, yet it serves as the basis for further investigation.
The observed value of a variable serves as an indication (in this case, the variable is the average yearly temperature). The investigative technique can be used to direct the student to circumstances through a guided procedure. Investigative research is the kind of study that embodies an inquiry.
The investigative technique may be applied as a guided procedure that directs the learner to circumstances capable of igniting the desire and enjoyment for knowledge discovery. We can connect this idea to scientific study with certain caveats. With this knowledge, we may draw the conclusion that an investigative research is a sort of study that depicts an inquiry.
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the earth is round because group of answer choices erosion over time has worn down the jagged edges of its planetesimals. its interior rock is warm enough to flow slowly in response to gravity. the solar wind has shaped it. the gravitational tug of the moon has worn down the jagged edges.
The earth is round because its interior rock is warm enough to flow slowly in response to gravity.
The processes involved in the gradual but ongoing transformation of the rock constituents of the crust from one shape to another are outlined in the rock cycle. The hydrological cycle, which refers to the flow of water, ice, and air at the surface and is powered by the sun, and the internal heat engine of the Earth, which shifts material across the core and the mantle and causes gradual but major changes within the crust, are the two forces that drive the rock cycle.
On Earth, the rock cycle is still in motion because our atmosphere is quite thick, our core is heated enough to continue the mantle flowing, and we have liquid water.
The correct answer is option b.
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name the stage of development of the mid-latitude cyclone
Answer:
Tropical disturbance, tropical depression, tropical storm, and full-fledged tropical cyclone
In the map below, what is the latitude of point A (number value only)?
Note that parallels of latitude and meridians of longitude are at 30" increments.
The latitude of point A will be 30°N, 150°W.
What is latitude and longitude?Latitude and longitude are coordinates used to describe a location on the surface of the Earth. Latitude is an angular measurement in degrees, minutes and seconds of a location north or south of the equator. Longitude is an angular measurement in degrees, minutes and seconds of a location east or west of the prime meridian. Latitude and longitude are used to precisely locate any point on the Earth’s surface.Latitude is measured with a maximum of 90 degrees from the equator, with the North Pole at 90 degrees north and the South Pole at 90 degrees south. Longitude is measured with a maximum of 180 degrees from the prime meridian, with the International Date Line at 180 degrees east and west. A coordinate pair of latitude and longitude can pinpoint any location on the surface of the Earth.Latitude and longitude are used to create a grid system of lines that intersect at right angles to form a grid pattern. This grid system is used to calculate distances between locations, to plot maps and to determine the direction of travel between two points. Latitude and longitude are also used in navigation systems, such as GPS, to accurately pinpoint a location.To learn more about latitude point refer to:
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fill in the blank.in august 1992, hurricane ___began as a cape verde-type hurricane by moving off the western coast of africa as a thunderstorm. it caused a wide path of destruction in the northern bahamas, southern florida, and the gulf coast.
In august 1992, hurricane Andrew began as a cape Verde-type hurricane by moving off the western coast of Africa as a thunderstorm. it caused a wide path of destruction in the northern Bahamas, southern Florida, and the gulf coast.
A Cape Verde hurricane, sometimes known as a Cabo Verde hurricane, is an Atlantic hurricane that develops at low latitude in the deep tropics from a tropical wave that has exited the coast of West Africa and passed over or close to the Cape Verde islands.
The aftermath of Hurricane Andrew in Florida turned out to be at the time the most expensive disaster in both the history of the state and the United States. On August 16, 1992, a tropical wave in the tropical Atlantic Ocean gave rise to Hurricane Andrew.
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the map shows the plate configurations along the western margin of north america. at which of the locations would we be most likely to find active volcanoes?
answer choices
a. Active volcanoes exist only in regions close to coastlines.
b. Active volcanoes are found near the plate boundaries.
c. More volcanoes occur in the oceans than on continents.
d. More volcanoes occur in larger continents than smaller ones.
The locations we would most likely to find active volcanoes are near the plate boundaries (B)
Lava, rocks, and steam are released to the surface of the earth through volcanoes. Magma is the term for the molten rock found deep within the Earth. Lava is what is left over from a volcanic eruption. Volcanoes typically originate along the boundary between two tectonic plates, which explains why the majority of the United States' volcanoes are found in the western part of the country, in Hawaii, and in Alaska.
It is estimated that 60% of all active volcanoes can be found near tectonic plate borders. The "Ring of Fire" refers to a belt where most volcanoes are concentrated. Located in the Pacific Ocean, the Ring of Fire is a belt of active volcanoes and quakes that encircles the whole circumference of the planet. The Ring of Fire is where the vast majority of earthquakes and volcanic eruptions on Earth occur.
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Which of the following is a reason why women are being among those most affected by poverty in low-income economies?
Women in low-income nations are disproportionately affected by poverty even though they earn less than males.
Women must be at the forefront of any anti-poverty campaign because they account for 70% of the world's impoverished.
Two-thirds of the world's uneducated people are women, and all women face extra challenges to their social and economic well-being, including the gender pay gap as well as the increased risk of working in vulnerable occupations.
Women and girls are more likely to be sexually exploited, even trafficked, when they are poor.
Domestic and intimate partner abuse victims have fewer alternatives for quitting abusive situations due to a lack of resources and money.
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