CBSE Class 7 Answered
Why forests are called green lungs?
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
Plants release oxygen through the process of photosynthesis which helps the animals for respiration. They also maintain the balance of oxygen and carbon dioxide in the atmosphere. That is why the forests are called green lungs.
Answered by | 04 Jun, 2014, 03:23: PM
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