What would have happened if Earth were located 10% further out from the Sun?
A) Our atmosphere would consist mainly of nitrogen.
B) Our Sun would have burned out after a few hundred million years so life would not evolve.
C) Our atmosphere would consist mainly of carbon dioxide.
D) Our oceans would all be frozen.
Correct Answer:
Verified
Q3: The _ means "the Sun in the
Q4: The largest of the stars are denoted
Q5: Early Earth was hot because _.
A) a
Q6: The Goldilocks scenario suggests that _.
A) we
Q7: The heaviest element produced by nuclear fusion
Q9: Why is the mass of Earth important
Q10: Why is it important that we have
Q11: As they formed, due to their high
Q12: Earth formed approximately_ years ago.
A) 4,600,000,000
B) 33,200,000,000,000
C)
Q13: Why is the molten metallic outer core
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