(Q002) The Earth's atmosphere Group of answer choices began as nitrogen and oxygen, left over from the solar nebula. acquires its carbon dioxide from photosynthesis by green plants. gets warmer as its carbon dioxide concentration goes down. became more oxygen-rich during the Proterozoic, after the evolution of photosynthetic organisms in the Archean.
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Which of the following molecules could pass through the plasma membrane by simple diffusion? a. na+ ions b. glucose c. amino acids d. carbon dioxide
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What do you think scientists face when classifying new organisms?
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(Q002) The Earth's atmosphere Group of answer choices began as nitrogen and oxygen, left over from t...
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