Multiple Choice
The ocean originated from .
A) water vapor produced by cellular respiration in early living organisms
B) radioactive heating of Earth's interior, and the heating of the surface by meteorites striking and melting the outer layers of Earth
C) capture of water molecules in space by Earth's gravity
D) volcanic gases, radioactive heating of Earth's interior, and a barrage of icy comets or asteroids striking and melting the outer layers of Earth
Correct Answer:

Verified
Correct Answer:
Verified
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