Much of the early hydrogen and helium escaped the earth's atmosphere into space because ________.
A) The earth's gravity was weak
B) The earth's gravity was strong
C) Solar winds were strong
D) Solar winds were weak
E) All of the above
Correct Answer:
Verified
Q4: Which one of the following represents the
Q5: The heaviest element produced by nuclear fusion
Q6: Earth's core,mantle,and crust formed during the _.
A)Archaean
B)Proterozoic
C)Paleozoic
D)Hadean
E)Tertiary
Q7: The earth formed approximately _ years ago.
A)5,000
B)11,000,000
C)4,600,000,000
D)13,700,000,000
E)33,200,000,000,000
Q8: Why is the molten metallic outer core
Q10: Why is it important that we have
Q11: Which of the following was an important
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
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