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Why is it wrong to consider the early atmosphere the same as the present atmosphere?

Answer and explanation

Correct answer: Because free oxygen was very low in the early atmosphere

Water vapour and carbon dioxide were important in the early atmosphere. In exams, keep it different from the present atmosphere.

Related tags

OriginEvolutionEarly AtmosphereOxygenEarly And Modern TheoriesThe Origin And Evolution Of The EarthGeographyClass 11 Mcq

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