Early Earth was hot because ________.
A) there was still heat from the original big bang
B) gravitational collapse generates heat
C) a combination of collisions and radioactive decay produced heat
D) the Sun was much larger and heated the early planet
E) the moon's formation from an giant impact produced heat
Correct Answer:
Verified
Q8: Why is the molten metallic outer core
Q9: Much of the early hydrogen and helium
Q10: Why is it important that we have
Q11: Which of the following was an important
Q12: What would have happened to the earth
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
Q17: What would have happened to the earth
Q18: The Goldilocks scenario suggests that _.
A)we are
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