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OpenStudy (blackfireskull):
could you help me with this one? i think it's True but idk.
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OpenStudy (blackfireskull):
The rock record indicates that photosynthesis began on Earth about 3.5 million years ago. True False
OpenStudy (blackfireskull):
@nevermind_justschool
OpenStudy (anonymous):
i say true
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