Question

1. whether roots, which are underground also take in oxygen? If so, how? grade 7​

Answer 1

Answer:

Yes, roots also take in oxygen. Roots absorb oxygen present in the soil particles through surface of root hairs by the process of diffusion. The cells of roots are living, so they need oxygen to respire and release energy by oxidation of food.

Explanation:

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Answer 2

Answer:

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