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प्रश्न
The question has four options. Choose the correct answer:
Fish die in water bodies polluted by sewage due to
पर्याय
pathogens
clogging of gills by silt
reduction in oxygen
foul smell
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उत्तर
reduction in oxygen
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संबंधित प्रश्न
Name the various modes of waste disposal.
Which of the following is the best method to dispose of biological wastes from hospitals?
(a) landfill
(b) recycling
(c) incineration
(d) composting
Multiple Choice Type:
The most rapidly increasing and much harmful waste today is
Give a reason for the following :
Landfills are coming up fast near large cities.
The question has four options. Choose the correct answer:
Sewage water is purified by
The question has four options. Choose the correct answer:
Sewage is broken down in
What are the advantages of cloth bags over plastic bags during shopping?
To what use can you put the following kind of garbage and how?
Old newspapers
Read the poem written below and then answer the questions from the information gathered from the book or elsewhere.
Name two items of waste each that need to be sent to a
- landfill,
- for composting.
Define the following term:
Pollution
