Question

How much of world's water exists as fresh water?

• A. 3.5 per cent
• B. 2.5 per cent
• C. 1.5 per cent
• D. 4.5 per cent

Answer 1

Answer: (B)

2.5 per cent

Globally water occupies a major portion. Water constitutes 96.5 % on the earth and rest is land. Of the total water content, fresh water contributes a very little portion about 2.5%.

Sources of fresh water include:

Ground water - water found in shallow aquifers beneath the earth's surface. This water is generally found at depths up to around 2,000 feet deep.

Surface water - Water found in streams, rivers, lakes, and reservoirs.