state gov TSPSC Group 2 (తెలంగాణ గ్రూప్ 2) Mock Test Series General Knowledge Ecology and Environment Environment Problems
Which of the following are classified as major Green House Gases?
1. Water vapor
2. Carbon monoxide
3. Ozone
4. Nitrous oxide
Select the correct answer from the code given below.
1
1, 2 and 3 only
2
2, 3 and 4 only
3
1, 3 and 4 only
4
1, 2 and 4 only