The addition of any substance to water, which leads to change in its physical and chemical characteristic, is defined as water pollution. It results in
A
Decreased turbidity
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B
Increased oxygenation
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C
Increased photosynthesis
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D
Increased turbidity and deoxygenation
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Solution
The correct option is D Increased turbidity and deoxygenation The effects of sewage pollution include deoxygenation and turbidity resulting in disease and death of fish and other marine organisms that damage the ecosystems and transfers the toxic metals and chemicals in the food chain. As a result of sewage, the water in many countries is not safe for bathing or fishing. Sewage degrades the environment, endangers health, and destroys fisheries.