EASY
9th CBSE
IMPORTANT
Earn 100

The percentage of oxygen in the atmosphere of Earth is
(a)78%
(b)0.03%
(c)21%
(d)95%

50% studentsanswered this correctly

Important Questions on Natural Resources
EASY
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT

MEDIUM
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT

MEDIUM
9th CBSE
IMPORTANT

EASY
9th CBSE
IMPORTANT
