Most abundant substance found in earth's surface is:
Sand
Water
Rocks
Plants
The process of water seepage into the ground is called:
Infilteration
Aquifer
Recharge
Watertable
Water required for household use is:
Industrial water
Agricultural water
Domestic water
Natural water
The total amount of freshwater available for use:
Less than 1%
More than 1%
Less than 10%
More than 10%
What is the ultimate source of water?
Ocean
Rain
River
Underground water
Which among the following is NOT benefit of rainwater harvesting?
Rises the underground water
Increases the availability water
Decrease the quality of groundwater
Environment friendly
Which sentence is False?
Earth has plenty of water
A small amount can be used by humans
Most of water on earth is in underground
The seawater cannot be used for drinking
What is underground water?
The water found in seas and oceans
The water found in ponds and lakes
The water found in rivers and waterfalls
The water below the earth
Why ice in polar regions not considered as source of freshwater?
Because people don't stay there
Because ice never melts there
Because the water flows to the oceans
The amount of water on the earth is:
Increasing
Decreasing
Constant
Uncertain
