railway RRB JE (CBT I + CBT II) Mock Test 2024 General Knowledge Ecology and Environment Environment Problems
Which among the following is/are examples of non-point sources of pollution?
1. Excess use of fertilizers
2. Toxic chemicals from urban runoff
3. Bacteria and nutrients from livestock
Select the correct answer using the codes given below.
1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2 and 3