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प्रश्न
The question has four options. Choose the correct answer:
Most harmful type of environmental pollutants are
पर्याय
human organic wastes
natural nutrients in excess
waste animal feed
non-biodegradable chemicals
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उत्तर
non-biodegradable chemicals
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संबंधित प्रश्न
Describe the usefulness of incineration of wastes, and also mention the precautions required in it.
Describe the procedure how compost is usually produced.
Name the following :
The solid precipitated material produced during secondary treatment of the effluent carried out in the effluent treatment plants.
Explain the working of an electrostatic precipitator.
Give two uses of incineration.
Explain the methods of disposal of liquid wastes.
Give two benefits of composting.
The question has four options. Choose the correct answer:
Biodegradable pollutant is
The question has four options. Choose the correct answer:
BOD is
