Multiple Choice
What would have happened to the earth if it were 10% farther from the Sun?
A) Our atmosphere would consist mainly of carbon dioxide.
B) Our atmosphere would consist mainly of nitrogen.
C) Liquid water and the water cycle would not exist.
D) Our Sun would have burned out after a few hundred million years so life would not evolve.
Correct Answer:

Verified
Correct Answer:
Verified
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