Water Resource

What percent of water is left for 'human use'?

• 1%

• 100%

• 75%

• 2.7%

Why do we need to conserve water?

• It is an unlimited resource. 
• It is a limited resource. 
• There is a lot of water. 
• There is no need to conserve water.

Amount of salty water in the world

• 99.89

• 59.3

• 97.3

• 83.89

_________ of the earth surface is covered by water

• 3/4

• 3/5

• 2/3

• 3/3

Which of the following leads to the SCARCITY OF WATER?

• Increasing population

• Rainwater Harvesting

• Demands for cash crops

• Overexploitation

What does over-exploitation mean?

• Over use of resources

• Using resources carefully

• Both i and ii

• None of these

How is Earth's water supply being continuously renewed?

• through water cycle

• through global warming

• through groundwater

• none of these

The Earth is known as __________.

Write the factors that cause water availability.