Which of the following serve as green lungs?
Vegetation of the forests, consists of a large number of plants that work as green lungs.
Therefore, forests serve as green lungs.
Which among the following serves as green lungs?
Which of the following serves as "green lungs"?
Question 1
Which of the following serve as green lungs? (a) Green pigment of the plants (b) Forests (c) Kitchen gardens (d) Greenhouse gases
Which of the following serves as lungs of our earth?