What was the major contributor of oxygen to earth's early atmosphere? A) photosynthesis B) organic respiration C) ozone decompos ition D) decomposition of ocean water
2 answers:
The best answer would be choice "A". 'Photosynthesis' The outcome, or release of photosynthesis is oxygen. We depend deeply on vegetation for oxygen.
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I think so? It's been awhile since i was in biology
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-Payshence
Answer:
Yes because some scholars, like Schlinger, believe that humans were once a blank slate, but Pinker argues that biology likely plays an important role in human behavior
Explanation:
