UPSC 2018 - Question 81

Which of the following is/are the possible consequence/s of heavy sand mining in riverbeds?

1. Decreased salinity in the river

2. Pollution of groundwater

3. Lowering of the water-table

Select the correct answer using the code given below.

a. 1 only

b. 2 and 3 only

c. 1 and 3 only

d. 1, 2 and 3