Question

forest are called as the "lungs of nature " why ?​

Answer 1

answer: The plant helps to provide oxygen for animal respiration. they also maintain the balance of carbondioxide in the atmosphere. that is why forest is called 'lungs of nature'.

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Answer 2

A reason can be that forest means a variety of several plants and trees. They are the resource of oxygen and we know that lungs purify oxygen and so forest.

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