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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
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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

User Mattis
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1 Answer

7 votes
Your answer is D: continental drift. 
User Firelyu
by
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