Teaching BPSC बिहार प्राथमिक (1 to 5) शिक्षक भर्ती 4.0 Mock Test General Knowledge Ecology and Environment Environmental pollution
Which one of the following is NOT a greenhouse gas found naturally in the atmosphere?
1
Nitrogen oxide
2
Carbon dioxide
3
Methane
4
More than one of the above
5
None of the above