What is the main source of downward convection<span> flow in the mantle called? The downward sliding characteristic of ridge-push is the result of what? </span>What causes<span> the </span>thermal convection that drives plate motion<span>? Is it the downward arm of convective flow in the mantle?
Here's your answer...
</span>The heat driving<span> mantle </span>convection<span> has three sources. "Primordial" </span>heat<span> (left over from the accretion and differentiation that led to the formation of Earth's core) contributes 20 to 50% of the </span>heat<span>. ... Mantle </span>convection<span> is the main mechanism by which this </span>heat<span> escapes from the interior of Earth.
</span>
Hope this helped
Answer:
the hair and tendrils of roots grasp the soil and bind the particles together
Explanation:
just did it on edge :D
Answer:
Prophase
Explanation:
the condensing and coiling of DNA into chromosomes. The step that takes up 60% of the time that the cell is undergoing mitosis.
Answer:
The same number of each type of atom will always be present before and after a chemical reaction takes place.
Explanation: