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प्रश्न
The question has four options. Choose the correct answer:
Biodegradable pollutant is
विकल्प
plastic
asbestos
sewage
mercury
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उत्तर
sewage
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संबंधित प्रश्न
Describe the usefulness of incineration of wastes, and also mention the precautions required in it.
Give two advantages of garbage incineration.
Explain the working of an electrostatic precipitator.
Give two uses of incineration.
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
