Where do Earth’s convection currents occur?

the lithosphere
tectonic plates
the asthenosphere
the subduction zone

Answers

Answer 1

Answer:

The asthenosphere

Explanation:

Heat is generated from the radioactive decay of elements in the interior of  the Earth, which creates magma in the asthenosphere. Hope this helped

Answer 2

Answer:

the athenosphere

The mantle is where convection currents occur. Magma from the core help fuel these currents. The answer to the question is the athenosphere.

Hope this helps you!


Related Questions

Which is a characteristic of the part of the atom marked
"A"?

It contains most of the mass.
It is negatively charged
It is mostly empty space.
It is composed of electrons.

Answers

A) —————————————————- :)

Answer:

It contains mostof the mass.

Explanation:

I just took the assignment.

what else is needed to make glycine (amino acid) from a molecule of glucose? Where do you think that comes from

Answers

Answer:

certain amino acids are made of different things but heres overall                                  carbon hydrogen oxygen and nitrogen

Explanation:

To make glycine ( amino acid ) from glucose ; Oxygen, carbon, hydrogen and nitrogen  is needed  They come from the consumption of Protein-rich food and from respiration

Glycine is a naturally occurring/formed amino acid found in humans, the difference between glycine and other amino acids is that it can be found in parts of protein structures in humans and can also be found in several foods consumed by humans like Sugar Cane, meat , and dairy products. glycine also has a hydrogen side chain which is absent in other amino acids.

Hence we can conclude that To make glycine ( amino acid ) from glucose ; Oxygen, carbon or hydrogen  is needed  and they come from the consumption of Protein-rich food and from respiration.

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What process best explains how a nerve cell and a muscle cell can both
develop from the same fertilized egg?
O A. differentiation
O B. natural selection
O C. selective breeding
O D. genetic engineering
Need ASAP!

Answers

Answer:

Im pretty sure its A.

Explanation:

=just took the teskst

Answer:  The correct answer is A. differentiation

Explanation:  Confirmed correct.

Which cells are most likely to react in the event that there is a reduction in the supply of oxygen to a person’s foot? Select two options.

epithelial cells
neurons
muscle cells
red blood cells
liver cells
white blood cells

Answers

Answer:  the answer for your question is muscle cells

Explanation:

Answer:

Epithelial cells and red blood cells

Explanation:

Which of the following describes an example of molecular movement across a membrane
through active transport?
O Channel proteins bind with extracellular solutes and release them inside the cell.
O Hydrocarbons enter the cell by dissolving in the lipid bilayer of the membrane.
Proton pumps move hydrogen ions out of the cell against a concentration gradient.
O Vesicles carrying waste products fuse with the membrane during endocytosis.

Answers

Hydrocarbons enter the cell by dissolving in the lipid bilayer of the membrane.

The following information should be considered;

The example of molecular movement across a membrane should be the Hydrocarbons that should enter the cell.It should be entered via dissolving the lipid bilayer.

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A herniated disc is also sometimes referred to as:
A. Ruptured disc
B. Bulging disc
C. Slipped disc
D. All of the above​

Answers

Explanation:

If the spinal column tears open and the discs protrude outward, they can press on, or “pinch,” nearby spinal nerves. This is known as a ruptured, herniated, or slipped disc.

i believe it could be all of the above

When an atom loses an electron, it becomes a?

Answers

when it loses an atom it becomes an ion
It becomes a positive ion . Eg Na lost 1 electron to form Na+ . Vive verca , if an atom gains an electron it becomes negative

I need help with these it’s due 2 o’clock today. Thanks!

Answers

wow that a lot ill get my friend on it.


A form of simple cittusion is Osmosis. In which direction will water flow in the process of Osmosis?

A. Water will flow from low concentration to higher concentration

B. Water will flow with the solutes, against the concentration gradient

C. Water will flow towards the solutes (.e. toward the higher salt concentration)

D. Water will flow away from the solutes, with the concentration gradient

Answers

Answer: D

Explanation:

osmosis, water always moves from an area of higher water concentration to one of lower concentration.

What would be the difference in precipitation patterns for a climatogram of a grassland versus a desert?

Answers

Answer:

hjdhrehshsjsjsjsjjs

I Need Help On Identifying The Characteristics Of Life That Is Illlustarated By Each Of The Following Statements.

Answers

One grow/develop 2 reproduce 3 obtain/ use energy 4

Which statement best summarizes the importance of meiosis to reproduction?

Answers

Your answer would most likely be: C. It produces gametes that are needed for sexual reproduction.

I hope this helped you out a bit :)

When Alfred Wegener first noticed that the continents fit together like puzzle pieces, this was

Answers

Answer:

- the discovery of the Pangaea Theory.

In 1912 Alfred Wegener (1880-1930) proposed that the continents were once compressed into a single protocontinent which he called Pangaea (meaning "all lands"), and over time they have drifted apart into their current distribution.

The east coast of South America and the west coast of Africa seem to fit together like pieces of a jigsaw puzzle, and Wegener discovered their rock layers “fit” just as clearly. South America and Africa were not the only continents with similar geology. Most all of the other continents fit together too.

Answer:

discovery of the Pangaea Theory.

Explanation:

3. Draw a circle on a flat surface. Look at it from the side. What do
you think you'll see?

circle

egg shape

ellipse

bean shape
4. Which of the following
would you be able to use to make a specific ellipse?

lengths of major and minor axes

positions of the two foci

positions of the two foci and the center

the circumference and center

Answers

We will see an ellipse when we see a circle drawn on the flat surface from the side

PLEAE HELP ME ASAP!! I need help

Answers

Answer:

3

i think

Explanation:

State two features of diffusion that do not apply to active transport

Answers

diffusion moves ions from high concentration to low using no metabolic energy and active transport uses metabolic energy in the form of atp to move ions from high concentration to low concentration


Why must the bonds of these molecules be broken before anything else happens?

Answers

Answer:

Synthesis releases energy because the molecules bond to form a stable configuration and therefore give up energy. The bonded molecules have a lower energy level than free molecules and are held in the new bond.

Explanation:

Chemical reactions make and break the chemical bonds between molecules, resulting in new materials as the products of the chemical reaction. Chemical reactions can occur spontaneously or require an outside trigger such as an input of energy. Breaking chemical bonds absorbs energy, while making new bonds releases energy, with the overall chemical reaction being endothermic or exothermic.

Because molecules must link together to establish a stable structure, they lose energy during synthesis. The newly formed bond holds the bonded molecules, which are at a lower energy level than free molecules.

Why the bonds of molecules are broken?

Because molecules must link together to establish a stable structure, they lose energy during synthesis. The newly formed bond holds the bonded molecules, which are at a lower energy level than free molecules.

Chemical reactions create and destroy the chemical bonds that hold molecules together, creating new materials as their end product. Chemical reactions can start on their own or need an outside trigger, like an energy input. Chemical reactions can be endothermic or exothermic in that breaking chemical bonds takes energy while creating new ones releases it.

To learn more about bonds of molecules are broken refer to:

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#SPJ2

Milk sugar is a good source of;
A)galactose
B)glucose
C)fructose

Answers

The correct answer is glucose!

What is 'b' in this linear equation? y = 5x - 6

Answers

The “-6” is the ‘b’
Remember: y=mx+b
-6
the answer is this because the equation is y=mx+b

Perform online research to learn about an invasive species and its new environment. Discuss how the species was introduced to the environment, where it is invasive, what advantages the species has over native species in this environment, and what problems the species poses to the environment.

Answers

Answer:

(Answers may vary.)

Farmers brought nutria, a type of large rodents, from South America to North America in the 1990s. They wanted to raise the rodents for their fur. Some of these rodents escaped into the wild and became a major pest in the Gulf Coast and Chesapeake Bay regions. Grasses and shrubs in these regions are vital, because they provide food and shelter for many species. They also help in preventing soil erosion. The nutria are eating up all the grasses and shrubs, which affects the food cycles of these regions. The entire ecosystems are being disrupted.

Moreover, nutria pose a direct threat to humans. These rodents are an effective vector for carrying parasites that can cause disease in humans. They also damage property. The burrows created by nutria can damage dams and building foundations as well as cause erosion near streams and lakes.

Explanation:

the answer from pluto/edmentum

Answer:

The apple snail is a native species of Argentina, Bolivia, Brazil, Paraguay, and Uruguay. Southeast Asia legally imported this alien species to use it as a protein source. Later, this species was brought to places like Hawaii as a source of food.

Like most, if not all, invasive species, the apple snail outcompetes native species for resources. This is because it reproduces rapidly (laying hundreds of eggs every few weeks) and lacks predators. As a result, the snails spread rapidly to aquatic biomes and modify the natural balance of aquatic ecosystems.

Explanation: plato edmentum (answers may vary)

Why does PE = mgh equal PE = Fw h ?

Answers

Answer:

Why is potential energy MGH?

Potential energy is energy an object has because of its position relative to some other object. ... For the gravitational force the formula is P.E. = mgh, where m is the mass in kilograms, g is the acceleration due to gravity (9.8 m / s2 at the surface of the earth) and h is the height in meters.

Explanation:

Yes Yes Yes Yes Yes Yes

Which organelle provides support for the cell and may also help the cell move?
Cell Membrane
Cytoplasm
Cytoskeleton
Ribosome

Answers

Cytoskeleton because it maintains cell's shape, secures organelles in specific positions, allows cytoplasm and vesicles to move within the cell

Scientists use tissue cultures to study possible medicines that can be used to treat cancer patients. What is one benefit of this procedure?Which best describes cancer cells?

Answers

Answer:

The answer is A. Patients do not receive harmful or ineffective medication.

Explanation: Test

Answer:

The answer is A) Patients do not receive harmful or ineffective medication.

Explanation:

I got it right

when does seeds of plants for plants aerobic respiration​ please give answer in one sentence it is urgent i will mark brainliest

Answers

Answer: Seeds of plants only perform anaerobic respiration in extreme conditions. usually it's done when there is a lack of oxygen or no oxygen available at all.

Compare fossil fuels and
biomass as energy resources.

Answers

Answer:

Compare fossil fuels and biomass as energy resources. Both fossil fuels and biomass come from organic matter, are burned to generate energy, and cause air pollution when used. Biomass is renewable, whereas fossil fuels are nonrenewable.

Explanation:

All human body cells contain 46 chromosomes. However, sperm cells in men and egg cells in women have only 23 chromosomes. This is due to meiosis. How does meiosis accomplish the reduction in chromosomal number?

Answers

Answer:

Two cell divisions after DNA replication

Explanation:

After the DNA is replicated, the cell undergoes two rounds of meiosis to produce 4 cells, each wIth 23 chromosomes. This is how the cell goes from a diploid to a haploid state.

Donna has observed that her father can control the speed of their grandfather clock by adjusting the

height of the weight on the end of the pendulum. Donna thinks that the pendulum will move faster when

the weight is lowered, and wants to test her idea. Donna gets a stopwatch and measures the time it takes

for the pendulum to swing twenty times when the weight is moved to its lowest position. Donna begins to

move the pendulum up by 1 cm and continues to measure the time for twenty swings of the pendulum.

Donna records her data.

Answers

The missing part of the question is as follows:

Position    Time (seconds)

1             23.23

2           21.56

3           20.33

4           19.00

5           18.02

Hypothesis: ____________

Dependent Variable: ____________

Independent Variable: ________________

Constants: __________

Control Group:_________________

Experimental Group: ____________

Answer:

Hypothesis:

if the weight is lowered the pendulum will move faster

Dependent Variable:

Time it takes the pendulum to swing or move

Independent Variable:

the position of the weight

Constants:

same weight and the same number of swings

Control Group:

pendulum at the lowest position

Experimental Group:

different height of pendulums

Explanation:

A hypothesis is a possible explanation for the observation in a given experiment which is "if the weight is lowered the pendulum will move faster" as it states the effect of length of the pendulum on the time it takes to swing.

The dependent variable in an experiment is affected and measured to see the effect which is the time it takes the pendulum to swing or move which is measured here and affected by the independent variable that is the position of the weight.

Constants are the variable that remains constant throughout the experiment that is the same weight and the same number of swings. Control group is the group of subject or condition which minimize the effect of factors or variables except one factor to compare or ensure if the experiment works that are pendulum at the lowest position. The experiment group is the group of a subject that get treatment desired to influence the dependent variable that is the different height of pendulums.

a food web is a diagram of feeding relationships that includes multiple intersecting food___. (blank)

Answers

Answer:

chains

Explanation:

a food web is a diagram of feeding relationships that includes many intersecting food chains.

guys please help
Question 11 Part A)

Make sure to sure me your work.

Answers

Answer:

95%

Explanation:

190 is 95% of 200.

The comparison of input versus output is also 95%

Identify minerals extracted in Haiti
and describe what is done with
them.

Answers

Answer: Haiti is mainly know for their minerals! the main minerals extracted are: cooper, silver, and GOLD. Haiti has many many gold farms, markets, etc. HOWEVER this is a very poor area, as people here live off of only about 2 dollars per day. They could take this wealth and put it towards the people, roads, and construction, as they had an earthquake that killed many many people, and destroyed much. If you mean what they do with gold, they take the gold from farms, and mine it underground. They then sell it for money as this is a poor area as said before!

Explanation: I hope this helps! please let me know and have a great night! :)

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