Early atmosphere contained methane and other hydrocarbons. They have been now replaced by

Evolution

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12/12/2021 5:45 pm

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Palak23

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Early atmosphere contained methane and other hydrocarbons. They have been now replaced by

(a) nitrogen

(b) oxygen

(d) hydrogen

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12/12/2021 5:46 pm

Reyana09

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Correct answer: (c) carbon dioxide

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