Which of the following pollutants of the ocean water are a result of air pollution?
1. Carbonic acid
2. Sulphur
3. Phosphorus
4. Nitrogen
Select the correct answer from the codes given below.1
1, 2 and 3 only
2
2, 3 and 4 only
3
1, 2 and 4 only
4
All of the above