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Why can photosynthesis and respiration be considered complementary in the cycling of materials?

Answer and explanation

Correct answer: Photosynthesis takes in carbon dioxide, while respiration releases it

The governing concept is the cycling of carbon and oxygen through living systems. In photosynthesis, green plants use carbon dioxide and water to form glucose and release oxygen. In cellular respiration, glucose is broken down using oxygen, producing carbon dioxide and water while releasing usable energy. Thus the outputs of one process can serve as inputs for the other, so option A is correct; the remaining statements are factually unrelated.

Related tags

PhotosynthesisRespirationCarbon CycleLife ProcessesWorld Of LivingScienceClass 10 Mcq

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