Biology, 09.10.2019 22:00 BigGirlsTheBest
Which explains why oxygen was absent from earth’s early atmosphere?
excess heat converted atmospheric oxygen into other gases
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Which of your fossils are most likely heterotrophs? which of them are autotrophs? how do you know?
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Which explains why oxygen was absent from earth’s early atmosphere?
excess heat converted at...
excess heat converted at...
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