Civil Services TSPSC Group 1 Mock Test 2022-23 General Knowledge Ecology and Environment Environment Problems
Emissions from which of the following sources can cause acid rain?
1. Volcanoes
2. Swamps
3. Plankton in the ocean
4. Power generation from fossil fuels
Select the correct answer using the code given below.
1
2, 3 and 4 only
2
1 and 4 only
3
1, 2 and 3 only
4
1, 2, 3 and 4