Question

please answer correct if you can, it's biological ​

Answer 1

Answer:

(I) Oxygen:- 21%

(II) Carbon Dioxide:- 0.03%

(III) Nitrogen:- 78%

(IV) Argon:- 0.9%

(V) Water Vapour:- 0.2%

Answer 2

Answer:

1 vanamahotsav _ planiting saplings

2 Acid rain _ _ 1986

3 Bopal tragedy __ 1984

4 tchernoby 1 __