Multiple Choice
Which one of the following processes was important for melting the entire Earth about 4.6 billion years ago?
A) Radioactivity,or the spontaneous breaking apart of heavier nuclei into lighter nuclei
B) Tidal heating of Earth due to the combined gravitational pulls of the Sun and the Moon
C) Heat released by the condensation of water vapor into liquid water to form the oceans
D) Nuclear fusion,or the combining of lighter nuclei to form heavier nuclei
Correct Answer:
Verified
Correct Answer:
Verified
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Q45: As you go farther down into Earth,<br>A)
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Q47: The Mid-Atlantic Ridge in Earth's crust is
Q49: Atmospheric pressure at any height in the
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