. Forest is a purifier of

(a)          water and soil.

(b)          autotrophs.

(c)           soil and air.

(d)          plants.


Best Answer

(b) autotrophs.

Explanation. Forests help to purify air and water. Forests serve as green lungs and water purifying systems in nature because they take up carbon dioxide and release oxygen. They also release water vapours by the process of transpiration, which is the pure form of water.

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