Geography quiz

In which layer of the Earth is water?
Thermosphere
Hydrosphere
Biosphere
What are some factors responsible for water scarcity?
Growing population
Pollution
All of the above
How is water useful?
It is necessary for life
Relief
Grazing animals
Explain hydroelectricity in one sentence...
How much percent of the earth has freshwater?
3%
40%
97%
Water is a..
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