Earth's early atmosphere was primarily composed of
hyrogen cyanide and carbon monoxide.
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Biology, 11.05.2021 21:10 ballbritez
Earth's early atmosphere was primarily composed of
hyrogen cyanide and carbon monoxide.
oxygen and carbon monoxide.
oxygen and water vapor.
carbon dioxide, water vapor and nitrogen.
Answers: 3
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Average annual precipitation and are the two major features that define the biomes on earth.
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Organisms that successfully adapt will leave to grownone of the above
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Which of these internal feedback reactions does not need your brain? oa. your leg jumping when it is hit by a reflex hammer b. your deeper breathing when you need more oxygen c. your body temperature rising when you have an infection d. your heart beating faster when you are in danger
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