Biology, 04.04.2021 06:40 thechameleonnaire
What gas dominated earth’s early atmosphere?
Group of answer choices
water vapor
hydrogen
Methan
Nitrogen
Answers: 2
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Sydney drew a flow chart to illustrate the nitrogen cycle.which labels best complete the flow chart? x: producers undergo photosynthesis.y: nitrogen compounds are released into the air.x: nitrogen compounds are released into the air.y: producers undergo photosynthesis.x: free nitrogen is in the atmosphere.y: producers absorb nitrogen compounds through their roots.x: producers absorb nitrogen compounds through their roots.y: free nitrogen is in the atmosphere.
Answers: 3
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Answers: 1
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Answers: 1
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What factors contribute to the effect an environmental toxin has on the human body?
Answers: 3
What gas dominated earth’s early atmosphere?
Group of answer choices
water vapor
<...
water vapor
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