Biology, 22.10.2019 18:10 jamiria38

Which of the following is most likely responsible for the fact that organic molecules no longer formed spontaneously on earth?
a. the amount of uv radiation increased
b. the amount of oxygen in the atmosphere increased
c. water accumulated in the oceans
d. earth's surface temperature warmed

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Which of the following is most likely responsible for the fact that organic molecules no longer form...