engineering recuitment BPSC Assistant Sanitary & Waste Management Officer Mock Test 2022 General Knowledge Ecology and Environment Environment Problems
Which of the following activities contribute to global warming?
A. Burning of fossil fuels.
B. Cutting down of forests.
C. Using solar energy.
D. Open burning of wastes.
1
A, B, and C
2
B, C and D
3
C, D and A
4
A, B and D