Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

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Restless tectonic plates move (shift) between one and fifteen centimeters per "YEAR"

Tectonic plates move at a moderate around one and fifteen centimeters  per year. The plates move in different ways, once in a while crashing into one another.

answer; polycythemia is the correct answer;

the correct answer is:

a population changes in response to a change in the environment.