Question

How does earth's atmosphere support life? ?

and I want to know my
answer is correct or no and why?

Ans : 1) earth atmosphere contains nitrogen and oxygen which is necessary in our life .

2) it contains gases that insulate earth.

3) it has ozone layer that protect earth from ultraviolet radiation which can damage genetic organisms. .

Answer 1

I believe that the answer would be either 1: earth atmosphere contains nitrogen and oxygen which is necessary in our life. 2: it has the ozone layer that protect earth from ultraviolet radiation which can damage genetic organisms.