Teaching UPTET 2023 (Paper 1 & 2) Mock Test General Knowledge Geography (World Geography) Climatology
The two gases which taken together, make up about 99 percent of earth's atmosphere are:
(A) Nitrogen
(B) Carbon dioxide
(C) Ozone
(D) Oxygen
1
(A) and (B)
2
(A) and (C)
3
(B) and (D)
4
(A) and (D)