Environment and Ecology
2018
Environmental Pollution
Sustainable Development
UPSC Practice Question
Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds?
- Decreased salinity in the river
- Pollution of groundwater
- Lowering of the water-table
Select the correct answer using the code given below:
B.2 and 3 only
C.1 and 3 only
A.1 only
D.1,2 and 3