Question

2. The most abundant gas in our atmosphere
is
a) Oxygen b) Carbon dioxide
c) Nitrogen
3. Which of the following gases protects us
from harmful sun rays?
a) Ozone
b) Oxygen
c) Carbon dioxide​

Answer 1

Answer:

2. carbon dioxide

3.ozone

Explanation:

hope it will help u

Answer 2

Answer:

2, (C) is the right option.

3, (A) is the right option.