Question

*____________ are called green lungs.*

1️⃣ Grass
2️⃣ Forests
3️⃣ Water
4️⃣ Green colours​

Answer 1

FORESTS IS THE REQUIRED ANSWER.

Explanation:

I HOPE IT HELPS

IT IS IN THE NCERT BOOK CLASS 7 GEOGRAPHY

Answer 2

Answer:

2.Forests

Explanation:

The forests are called green lungs.Plants release oxygen through the process of photosynthesis which helps the animals for respiration.They also maintain the balance of oxygen and carbondioxide in the atmosphere.This is the reason that the forests are called green lungs.