What would have happened to the earth if it were 10% closer to 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
Q12: What would have happened to the earth
Q13: Early Earth was hot because _.
A)there was
Q14: As they formed,due to their high temperatures
Q15: Why is the mass of the earth
Q16: Planetesimals,asteroid-size objects,form during the early history of
Q18: The Goldilocks scenario suggests that _.
A)we are
Q19: The major source of free oxygen in
Q20: The first elements to form after "Big
Q21: The first bacteria probably used _ instead
Q22: Most _ rocks are devoid of fossils,which
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