Water as a Resource

How much water covers the earth's surface?

• 55%

• 65%

• 75%

• 85%

How much of the earth's surface water is salt?

• 67.5%

• 77.5%

• 87.5%

• 97.5%

Examples of potential water resources include?

• Ice and lakes

• Ice and glaciers

• Water vapour and rivers

• Rivers and lakes

Potential water resource is water that

• Is easily and immediately available

• usable immediately, but could be used when it has undergone some kind of change.

How many people have no access to clean water?

• 300 million

• 400 million

• Over 600 million

• 500 million

Which continent has the least amount the population using improved drinking water?

• Africa

• North America

• Australia

• Europe