Discuss two main hypotheses for the global cooling that started 50 million years ago.
Discuss two main hypotheses for the global cooling that started 50 million years ago.
Homework Answers
Ans- There are many hypothesis related to the global cooling that started 50 million years ago.
1. Earth's orbital geometry: the equinoctial precession cycle(23000 years) and the axial - tilt cycle(41000 years)
2. Snowball earth hypothesis which says earth experienced four extreme cooling events.
3. Faint young sun hypothesis is also important.
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Discuss two main hypotheses for the global cooling that started
50 million years ago.
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