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Questions and Answers
What percentage of the Earth's surface is covered by water?
What percentage of the Earth's surface is covered by water?
What is a unique property of water when it freezes?
What is a unique property of water when it freezes?
What is the primary role of water in living organisms?
What is the primary role of water in living organisms?
Water is a colored liquid essential for the survival of living organisms.
Water is a colored liquid essential for the survival of living organisms.
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Pollution refers to the removal of contaminants from the environment.
Pollution refers to the removal of contaminants from the environment.
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Water pollution only occurs in oceans and lakes.
Water pollution only occurs in oceans and lakes.
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Biological pollutants in water include bacteria, viruses, and parasites.
Biological pollutants in water include bacteria, viruses, and parasites.
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Physical pollutants in water can include sediment.
Physical pollutants in water can include sediment.
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