Multiple choice

Why are forests considered as green lungs in nature?

  1. Because they are green in colour

  2. Because they provide oxygen to animals

  3. Because they purify the air by destroying harmful microbes

  4. Because they absorb toxic chemicals in the atmosphere
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Forests are considered as green lungs in nature because they provide oxygen to aerobic animals and also purify the air by adding oxygen and absorbing carbon dioxide from it.

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