Multiple Choice
One critical requirement for life to arise on Earth was time for which to occur?
A) The salinity of the oceans to stabilize
B) The Earth's various climates to stabilize
C) Molecules to accumulate and react with one another
D) The atmospheric temperature to increase sufficiently
E) The ozone layer to form, so that the level of ultraviolet radiation was reduced
Correct Answer:
Verified
Correct Answer:
Verified
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