Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) General Knowledge Geography (World Geography) Climatology
বায়ুমণ্ডলে CO 2 , N 2 এবং O 2 এর সংশ্লিষ্ট শতাংশ কত?
1
CO 2 = 0.04%, N 2 = 20.95%, O 2 = 78.08%
2
CO 2 = 0.03%, N 2 = 68.08%, O 2 = 30.95%
3
CO 2 = 0.08%, N 2 = 70.08%, O 2 = 29.95%
4
CO 2 = 0.04%, N 2 = 78.08%, O 2 = 20.95%