Biology, 14.02.2020 18:02 gonzalesrosalinda66
What was the "oxygen revolution," which took place 2.3 billion years ago?
A)The "oxygen revolution" was the rapid increase in atmospheric oxygen that took place 2.3 billion years ago, immediately preceding the origin of animals.
B)The "oxygen revolution" was the rapid increase in atmospheric oxygen that took place 2.3 billion years ago, with the origin of plants.
C)The "oxygen revolution" was the rapid increase in atmospheric oxygen that took place 2.3 billion years ago, dooming many prokaryotic groups..
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Ascientist is conducting an investigation that involves water, silver, carbon dioxide, and oxygen gas which group of statements best describes all of the materials he is using in the investigation?
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What was the "oxygen revolution," which took place 2.3 billion years ago?
A)The "oxygen...
A)The "oxygen...
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