Question

Question 8
Choose the correct option.

The total water
(i) in the lakes and rivers of the world remains constant.
(ii) under the ground remains constant.
(iii) in the seas and oceans of the world remains constant.
(iv) of the world remains constant.

Answer 1

The answer is option (iv) of the world remains constant.

We know that 71 % of the earth’s surface is covered with water. Almost all the water on the earth is contained in the seas and oceans, rivers, lakes, ice caps, groundwater and in the atmosphere. The total water of the world remains constant whereas the water in lakes, rivers, seas, oceans and groundwater do not remain constant.