Question

Question 21
Total earth’s surface covered by water is

(a) 75%
(b) 60%
(c) 85%
(d) 50%

Answer 1

(a) 75%

Water covers approximately 75% of the earth’s surface and is vital for all known forms of life. Only 2.5% of earth’s water is fresh water and 98.8% of that water is in ice and groundwater. The remaining occurs as surface water and soil water.