Explanation:
distance decay is a geographical term which describes the effect or distance on cultural or spatial interactions
Answer: The volcano popocatepetl is in Mexico.
Answer: Use this link to find out the answer to your question - https://populationeducation.org/stage-1-demographic-transition-model/ (If you can't click it then just copy-paste it in a new tab)
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Pacific Plate slowly passes over a magma-generating hot spot within the mantle.
Hope this helps.
The main mechanism through which the layering happened is gravity: it pulled the heavier, denser material to the center, leaving the less dense material on the surface.
The material that was on the outside cooled quicker, but this was the result, not the cause.
The answer is
<span>2) Gravity caused more-dense material to move toward the center of each planet.</span>