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Please help (40) pts Could humans survive on Earth over two-and-a-half billion years ago, before the emergence of plants? Why or why not?
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Please help (40) pts Could humans survive on Earth over two-and-a-half billion years ago, before the emergence of plants? Why or why not?

User Carson Myers
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Answer:

No humans could survive before the emergence of plants because through photosynthesis, plants produce oxygen which is a main component of the air we breathe. Without plants there would be no oxygen for humans to survive.

User Genuinefafa
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