Civil Services UPPSC RO ARO 2024-25 Mock Tests Series General Knowledge Ecology and Environment Environment Problems
Which of the following substances is/are ozone-depleting?
Select the correct answer from the codes given below:
1. Chlorofluoro Carbons
2. Halons
3. Carbon tetrachloride
1
1 only
2
1 and 2 only
3
2 and 3 only
4
1, 2, and 3