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प्रश्न
The question has four options. Choose the correct answer:
Biodegradable pollutant is
पर्याय
plastic
asbestos
sewage
mercury
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उत्तर
sewage
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संबंधित प्रश्न
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.
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:
Most harmful type of environmental pollutants are
The question has four options. Choose the correct answer:
Pollution can be checked through
The question has four options. Choose the correct answer:
Domestic waste constitutes
The question has four options. Choose the correct answer:
Which one is biological in sewage treatment?
The question has four options. Choose the correct answer:
BOD is
