Question

Three factors which have made life possible on earth
a. presence of oxygen, water and optimum distance fron sun
b. presence of atmosphere, sun and water
c. presence of nitrogen , oxygen and carbon dioxide
d. presence of water , carbon dioxide and oxygen​

Answer 1

Answer:

answer a is the correct option among all of this

Answer 2

Answer:

I think it mayyy be option no. (b) because our atmosphere protects us from different types of rays which are not suitable for us.