Water Facts

When is the World Water Day celebrated?

Approximately How much percentage of Earth's surface is covered with water?

Approximately What is the percentage of water in Human Body?

• 55 % - 70%

• 57 % - 75 %

• 70 % - 80 %

• 65 % - 88 %

An estimated ---------- of world's population live without access to an improved water supply.

• 45 %

• 30 %

• 25 %

• 11 %

Human bones are ------- water

• 31 %

• 25 %

• 15 %

• 46 %

Most of Earth's water is stored in ------

• rivers

• glaciers

• oceans

• seas

How much water can a single gallon of gasoline contaminate?

• 750

• 7,500

• 70. 000

• 750.000

You can remove 98% of --------- in water with a reverse osmosis drinking water system.

• selenium

• chromium

• lead

• copper

Water represents ------ of an infant's body weight at birth.

• 80 %

• 70 %

• 60 %

• 50 %

There are -------- miles of public sewage pipes in the U.S

• 600 000

• 750 000

• 800 000

• 850 000