Civil Services Punjab State Civil Services CCE 2025 General Knowledge Ecology and Environment Environmental pollution
Consider the following:
1. Oxides of Hydrogen
2. Oxides of Nitrogen
3. Oxides of Sulphur
Which of the above is/are cause/causes of acid rain?
1
1 and 2
2
Only 3
3
2 and 3
4
1, 2 and 3