Chemistry
Chemistry, 22.11.2019 02:31, kenisonpaigebosma

Imagine that a researcher has discovered a leaf fossil from the cambrian period that is 500 million years old. he notices that the leaf had very few stomata compared to present-day leaves. what does this tell the researcher about atmospheric co2 levels during the cambrian period?

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Imagine that a researcher has discovered a leaf fossil from the cambrian period that is 500 million...

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