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What atmospheric pattern is shown by early solar wind and later outgassing together?

Answer and explanation

Correct answer: First loss then rebuilding

The governing concept is atmospheric evolution as a sequence of removal and replenishment. In the early stage, strong solar wind could strip or erode part of a primitive atmosphere, especially before Earth had adequate protection and a stable atmospheric system. Later, volcanic outgassing and other internal processes released water vapour, carbon dioxide, nitrogen and additional gases, helping rebuild a secondary atmosphere. Therefore, option A is correct: the combined pattern is first loss and then rebuilding. Option B gives an incorrect order, while C and D reverse the broad history of life, planetary differentiation and planet formation and do not describe atmospheric change.

Related tags

Solar WindOutgassingAtmospheric EvolutionEvolution Of The EarthThe Origin And Evolution Of The EarthGeographyClass 11 Mcq

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