Question

how do forests help in purifying air

Answer 1

we know that how that how the oxygen cycle works so the more the number of trees the more pure air .

plants haves leaves and they have stomata which are carry out the exchange of gases  .

Answer 2

Forests have a lot of trees. Trees are natural air purifier as they undergo photosynthesis. This photosynthesis process will take carbondioxide and gives us oxygen. Therefore forests help in purifying air.

hope it helps

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