Thermal pollution of water bodies is due to

Discharge of heat (hot water) from power plants

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Discharge of chemicals from industries

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Discharge of waste from mining

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Discharge of agricultural run off

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Solution

The correct option is D Discharge of heat (hot water) from power plants
Thermal pollution refers to effluents and hot water from thermal plants or atomic reactors which bring about the rise in water temperature. Warm water contains less oxygen, resulting in increased organic loading, and replacement of green algae by blue-green algae.
So, the correct answer is option A.

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Similar questions

High temperature waste water from industries leads to thermal pollution.

Fill in the blanks :

(i) Rubber particles and dust raised by running motor vehicles are examples of ............... pollutants.

(ii) Too frequent exposure to ......................... in a medical diagnostic technique may damage chromosomes.

(iii) Thermal power plants give out a lot of ...................... waste water.

(iv) Sewage is a liquid waste from ........................... .

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