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प्रश्न
The question has four options. Choose the correct answer:
Biodegradable pollutant is
विकल्प
plastic
asbestos
sewage
mercury
उत्तर
sewage
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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.
Give two advantages of garbage incineration.
Explain the working of an electrostatic precipitator.
Give two uses of incineration.
Give two benefits of composting.
The question has four options. Choose the correct answer:
Most harmful type of environmental pollutants are
The question has four options. Choose the correct answer:
Domestic waste constitutes
