Civil Services Uttar Pradesh (उत्तर प्रदेश) PCS Mock Test Series 2025 General Knowledge Geography (World Geography) Climatology
Which of the following can help in cooling the earth's atmosphere?
1. Salt particles
2. Pure nitrates
3. Sulphates from volcanic eruption
Select the correct answer using the code given below:
1
2 only
2
2 and 3 only
3
1, 2 and 3
4
1 only