The effects of the collision of a large Mars-sized body with the Earth about 4.5 Ga is proposed to have caused
A) a magma ocean to form at Earth's surface.
B) an increase in Earth's speed of rotation.
C) Earth's spin axis to tilt.
D) a magma ocean to form at Earth's surface,Earth's speed of rotation to increase,and Earth's spin axis to tilt.
Correct Answer:
Verified
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