What percentage of Earth is Water?

• 50%
• 0.61
• 0.71
• 0.81

What is water division of Earth?

• Ocean water 97.5 per cent, freshwater frozen as ice 1.5 per cent and freshwater 1 per cent
• Ocean water-47%, freshwater 50%, freshwater frozen as ice 3%
• Ocean water 1%, freshwater frozen as ice-90%, freshwater 9%
• Freshwater-33.33%, freshwater frozen as ice 33.33%, ocean water 33.33%

Which of the following is a way of conserving water?

• Leave the tap running while brushing teeth
• Use a hose to wash the car
• Use the washing machine at full load
• Leave the shower running while soaping

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.

When is the best time of day to water your lawn?

• Early morning or late evening
• In the afternoon
• All day long
• At night

Water that is stored in layers of rock and soil beneath the Earth's surface is called ________

• Groundwater
• Sewage
• A Reservoir
• An underground stream

An area underground that water flows through is called an _____

• Water Table
• Zone of Aeration
• Aquifer
• Drainage Basin

What will most likely happen if the human population continues to grow at current rates?

• There will be fewer natural resources available for future generations.
• There will be an increase in nitrogen levels in the atmosphere.
• There will be a decrease in water pollution.
• There will be an increase in the number of strong hurricanes

Water that is safe to drink is called?

• Tap Water
• Potable water
• Distilled water
• Piliated water

How many people in the world do not have access to clean drinking water?

• 1 in 3
• 1 in 6
• 1 in 10
• 1 in 20