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प्रश्न
The question has four options. Choose the correct answer:
Sewage water is purified by
पर्याय
microorganisms
light
fishes
aquatic plants
MCQ
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उत्तर
microorganisms
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संबंधित प्रश्न
Give any two ways in which biodegradable substances would affect the environment.
Name the various modes of waste disposal.
Match the items in Column I with as many times as possible in Column II.
|
Column I |
Column II |
|
1. Cow dung |
(i) Sugarcane |
|
2. Bagasse |
(ii) Raddiwalas |
|
3. Old newspapers |
(iii) Manure |
What are Composting ? Explain its Process
What are the hazardous wastes generated from agricultural wastes?
Give two examples of e-waste.
The question has four options. Choose the correct answer:
Continuous sewage flow into a stream would lead to
List waste products produced from an industry.
Discuss:
Is it possible to reduce the problems relating to disposal of garbage?
Which of the following is biodegradable waste?
