Multiple Choice
Earth was hotter than today during the Hadean for all of the following reasons EXCEPT ________.
A) impacts with other objects added heat to Earth
B) differentiation of the core from the mantle added heat to Earth's interior
C) the Sun was much more luminous than it is today
D) carbon dioxide was more abundant in the atmosphere than it is today
Correct Answer:
Verified
Correct Answer:
Verified
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Q11: Through geologic time,continents have drifted over the
Q12: Earth became internally differentiated,with a metallic core
Q13: An iridium-rich layer of clay,glass spherules,and shocked
Q14: Toward the end of the Archean Eon,_.<br>A)the
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Q18: Oxygen in Earth's atmosphere is derived from
Q20: Once an ancient mountain range is destroyed
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