state gov TSPSC Group 2 (తెలంగాణ గ్రూప్ 2) Mock Test Series Agriculture and Rural Development Ecology and Climate Change Green House Gases (Ghg), Major Ghg Emitting Countries
Chlorofluorocarbons (CFCs) are used in which of the following?
1. Refrigerators
2. Foaming agents
3. Frozen foods
Select the correct answer using the code given below:
1
1 only
2
1 and 2 only
3
2 and 3 only
4
1, 2 and 3