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RiddleMeThis
28.07.2019 •
Biology
The secondary atmosphere of the earth was composed mainly of carbon dioxide and nitrogen volcanic gases nitrogen and oxygen carbon dioxide and oxygen flag this question question 2 1 pts before the evolution of life produced the process of photosynthesis, small amounts of oxygen were added to the earth's atmosphere by the process of
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Ответ:
B) Before evolution small amounts of oxygen were added to the atmosphere by the process of photodissociation of water vapor. Photodissociation of water vapor is the process through which water vapor molecules are broken down to form new molecules which are oxygen and hydrogen molecules. This process helped to increase the level of oxygen.
Ответ: