Question

what is the level of Nitrogen in the atmosphere of the earth ?
a). 70℅
b). 15℅
c). 7℅
d). 5℅
e). 2℅​

Answer 1

Explanation:

Option ( A)........❗❗❗

Inshallah it helps uuuuuhhhh❗❗❗

Answer 2

Answer:

(a) 70%.................