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Which is the most suitable example of two way relation between atmosphere and biosphere?

Answer and explanation

Correct answer: Atmosphere supported life and life increased oxygen

The direct answer is A: the atmosphere supported life, and life increased oxygen in the atmosphere. The atmosphere supplies gases, temperature conditions and protection needed by organisms. Later, organisms, especially photosynthetic organisms, used carbon dioxide and released oxygen. Thus the relationship worked in both directions: atmosphere helped life, while life changed atmospheric composition. Option A correctly shows both links. Option B is wrong because the core did not create the biosphere, and the biosphere cannot remove the core. Option C is wrong because solar wind did not create life, and life does not produce solar wind. Option D is wrong because the Moon did not create the atmosphere, and the atmosphere cannot create the Moon. Memory cue: one sphere affects another and is affected in return.

Related tags

BiosphereAtmosphereTwo Way Relation

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