emilykeylor emilykeylor

16-05-2017
Biology

contestada

Which of the following has caused 100,00 year cycles of ice ages in the past?
A. An increase in sun spots
B. Several major volcanic eruptions
C.changes in earths orbit and the tilt of its axis
D.continental drift

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Аноним Аноним

16-05-2017

Your answer is D: continental drift.

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