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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
APPEARS IN
संबंधित प्रश्न
Give any two ways in which biodegradable substances would affect the environment.
How can the wastes such as paper, plastic and metal objects be disposed of?
Give a reason for the following :
Landfills are coming up fast near large cities.
What is a landfill?
List waste products produced from an industry.
Observe the bins and waste material heaps and suggest what materials can be used for preparing handicrafts materials.
Which of the following is the best way for disposal of vegetable and fruit peels?
A garbage collector separate items mentioned below in the garbage into red, green and blue containers for their transfer to landfill, composting pit and recycling unit respectively.
Items:
- Plastic bags
- Newspaper and journals
- Screw and nuts
- Vegetable peels
- Metal chips
- Egg shells
Which items were transferred to which bin?
