UPSC 2018 - Question 13

Which of the following has/have shrunk immensely/dried up in the recent past due to human activities?

1. Aral Sea

2. Black Sea

3. Lake Baikal

Select the correct answer using the code given below:

a. 1 only

b. 2 and 3

c. 2 only

d. 1 and 3