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Related Questions
Which of the following statements is true?
a.Carbon-14 can only be used to date rocks.
b.Oxygen speeds the decay of dead organisms.
c.Epeirogenic changes deform the crust.
d.In turbite beds, the bottom layer is older than the top layer.
Answers
Explanation:
Oxygen speeds the decay of dead organisms. -is the true statement.
Name this Molecule HELP ASAP PLEASE I WILL GIVE BRAINLIEST
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The teacher asked the students to design an experiment that would demonstrate that temperature will affect the pressure of a gas. Which of the following would be a valid experiment that shows the correct relationship between gas temperature and pressure?
A.
The students want to test the air pressure of bicycle tires. They check the pressure of the tires after letting the bike sit outside in very cold, winter weather for several hours. Then they bring the bike inside to a room temperature environment for several hours to warm up and check the pressure again. They find that the tires in the colder temperature showed a low pressure and that the pressure increased after the tires were able to warm up.
B.
The students want to test the air pressure of bicycle tires. They check the pressure of the tires after letting the bike sit outside in very cold, winter weather for several hours. They then bring the bike inside to a room temperature environment for several hours to warm up and then check the pressure again. They find that the colder temperature showed a high pressure in the tires and that the pressure decreased after the tires were able to warm up.
C.
The students wanted to test the air pressure in a plastic bottle of soda by comparing two bottles. They put one soda in a freezer for 12 hours and the second soda was left on the counter at room temperature for 12 hours. They found that the soda that had been in the freezer had burst, but the one on the counter was easy to squeeze and showed some give. They determined that the cold temperature had increased the pressure of the gas in the bottle causing it to burst.
D.
The students wanted to test the air presssure in a plastic bottle of soda by comparing two bottles. They put one in a freezer for 12 hours and the second soda was left on the counter at room temperature for 12 hours. They found that the pressure of the bottle which was in the freezer had remained the same. The pressure of the gas in the bottle on the counter increased, causing it to push on the sides of the bottle making it harder to squeeze.
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Answer: I think its A
Explanation:
The blocks above represent ecosystems, with each species type designated by a different color. Which block represents the greatest diversity?
1
2
4
5
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Answer: The answer is 5 (D)
Explanation:
Block 1 has only 1 different type of species
Block 2 has only 2 different types of species
Block 3 has only 2 different types of species
Block 4 has only 3 different types of species
However Block 5 has 3 different types of species, but they are all of equal size or abundance.
In Block 4 pink and blue are a minority and so the species abundance is low (while the species richness is equal to block 5), block 5 has a higher species abundance and an equal species richness than block 4.
I also just took the test and got it right
20. Frigatebirds have webbed feet and spend much
of their life flying over the ocean but never land in
the water. What does this fact suggest about the
evolution of these physical and behavioral traits?
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Answer:
Evolution changes the abilities of the Frigate birds.
Explanation:
The Frigate birds have webbed feet because they live in the ocean and unable to fly due to its big weight. Before the evolution, the Frigate birds lives in the ocean due to their large body weight but with the passage of time, evolution occurs that leads to formation of flying ability in the bird so now the bird have the old characteristics of their ancestor as well as new abilities in the physical traits of the Frigate birds due to the evolution.
I WILL GIVE YOU BRAINLYEST!! ANSWER THESE TWO QUESTIONS PLSS!!
Using your own words, can you describe
the meaning of a watershed?
How are groundwater and surface water different?
PLS HELP ME!! And have a great day!
Answers
Watershed is like where rainwater gathers to then be drained off into like a pond or river.
Surface Water is just water in like lakes and ponds while ground water is underneath the surface of the Earth.
Best of luck!
If birth rate of a population is high, what would happen to the population overtime?
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Answer:
the population would increase
Explanation:
lets say your population is x,
if you keep increasing it,
x+++++,
it gets larger.
(eventually it may run out of resources and decrease in size, and then increase in size, which we know from observing the population of species in the world around us [and by logically assessing what available resources indicate])
Which of the following can
conserve energy?
A. crop rotation
B. intercropping
C. drip irrigation
D. recycling newspaper
Answers
Answer:
jbbbbbbbbbbb
Explanation:
jjjjjjjjjjjjj
Answer:
B i think
Explanation:
2. ¿Existe una sola medida eficaz para cortar la ruta de transmisión del virus en diferentes espacios?
Answers
Answer:
No existe una medida única, existe un conjunto de medidas que pueden reducir la propagación de un virus.
Explanation:
Existe una diversidad de virus diferentes con sistemas complejos que pueden causar diferentes tipos de infecciones en humanos. Hay virus que se propagan por el aire, a través de las secreciones, con tasas de infección más altas o más bajas.
Por tanto, la mejor solución para un virus que impacta en la salud de las personas, como en la situación mundial actual, la mejor solución para la contención de un virus es seguir todas las normas sanitarias informadas por las autoridades competentes y preservarse en el de la mejor manera posible, lavándose evitando circular en ambientes cerrados y manteniendo la distancia social.
Please Help!
What can you determine from the principles of cross-cutting relationships?
A. Layers that cut across the most other features are youngest.
B. In a given region, all layers of sediment form at the same time.
C. The layers of sediment on the bottom are the oldest.
D. Two different types of sediment will not cut across each other.
Science A P E X
Answers
A. Layers that cut across the most other features are youngest.
Explanation:
Using the principles of cross-cutting relationships, you can determine the relative age of rocks found in the ground. The idea behind it is that the geologic feature which cuts another is the younger of the two features, and it had been around for 400 years. It's not very precise but it is good for determining relative age.
how did our solar system form ?
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Answer:
Formation. Our solar system formed about 4.5 billion years ago from a dense cloud of interstellar gas and dust. ... When this dust cloud collapsed, it formed a solar nebula—a spinning, swirling disk of material. At the center, gravity pulled more and more material in.
Groundhogs inhabiting a meadow environment drink water and rely on plants, including clover, for food. Which of the following terms describe both the water and the clover that the groundhogs consume? Choose the two that apply.
A. limiting factors
B. abiotic factors
C. biotic factors
D. resources
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The following terms describe both the water and the clover that the groundhogs consume are:
Abiotic factors Biotic factorsWhat are the factors that affect population size?The 2 main aspects affecting denizens growth are the birth rate and death rate .
People development may also be impacted by people coming into the population from someplace else or leaving the residents for another region.
Thus, option "B" and "C" is correct, Abiotic factor and Biotic factors.
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Is the trend in biomass in Pyramid X the same as seen in Pyramid Y? Explain your answer.
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got it off of a quizlet for u shawty
Which of these mutations do you think would have the worst effect on the function of
the protein?
an insertion or
deletion near
the end of a
gene
an insertion or
deletion at the
beginning of
an insertion at
the middle of
a nonsense
mutation at the
end of the gene
a missense
mutation
the gene
the gene
Answers
Answer:
Both are harmful for the organism in case of point mutation. In case of deletion or insertion of a particular fragment of the gene, deletion could be more harmful than insertion, because the deleted fragment of the gene will never be replaced at exact size and exact position of the disabled gene.
Explanation:
hope it helps
Consider the skeleton. Which skeletal system is represented by the shaded portion of the skeleton ?
Answers
Answer:
appendicular skeleton.
Answer:C
Explanation:
Where is kudzu native to?
Why was it brought to the US?
How did kudzu grow uncontrollably?
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Answer:
Explanation:
Kudzu is a Woody, climbing night vine trees that is native to China, Japan and also Indian. They are invasive trees.
2. It is introduced to United States from Japan during the the Philadelphia Centennial Exposition in 1876. It was introduced to serve as as an ornamental and it is also planted as a forage crop plant. The southern farmers planted kudzudo as to reduce soil erosion.
3. Kudzu is an aggressive plants and grow uncontrollable because it has ability to grow very fast and it can survive in an area, area with low nitrogen thereby outcompeting the native plants.
Pioneer species are species which colonize previously uncolonized land, usually leading to ecological succession. They are the first organisms to start the chain of events leading to a livable biosphere or ecosystem. Why is a lichen most likely to be a pioneer species?
A The mutualistic relationship of species forming a lichen allows it to survive independently.
B The lichen is fast growing and provides a nutritious food source for many other species.
C The lichen does not require sunlight to survive.
D The lichen is a decomposer that digests rocks and forms soil.
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Answer: D
Explanation: Bc
Describe how each of Newton’s laws may be observable during a car trip.
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If the seat belts on any passengers are fastened, the vehicle will also slow down until everyone is at rest. Additionally, if a car was moving straight when another car struck it, the direction of the car would shift.
What are newton's three law of motions ?According to the first law, until a force acts on an item, it will not alter its motion. According to the second law, an object's force is determined by multiplying its mass by its acceleration. According to the third law, when two objects interact, they exert equal-sized and opposite-direction pressures upon one another.
There's a fourth law , it states that every object tends to remain in the state it is in right now. We refer to this propensity as inertia. Every object tends to remain in the state it is in right now.
Therefore, If the seat belts on any passengers are fastened, the vehicle will also slow down until everyone is at rest (First law) . Additionally, if a car was moving straight when another car struck it, the direction of the car would shift (Third law).
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