Question

tell fast argent

plz help

my exam today ​

Answer 1

Answer:

1. Nitrogen ( not a noble gas)

2. O2 ( doesn't cause air pollution)

3. growing trees ( doesn't release smoke)

Answer 2

Explanation:

1) Nitrogen as it is not inert gas

2) Oxygen as it is not harmful

3) Growing trees as it is not the cause of air pollution but prevents it

Hope it helps