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प्रश्न
The question has four options. Choose the correct answer:
Fish die in water bodies polluted by sewage due to
विकल्प
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
Mention whether the following statement is true (T) or False (F).
Some of the electronic wastes may contain valuable metals such as copper.
What hazards does mining pose to the environment?
What is a landfill?
Which of the following is biodegradable?
Which of the following activities does not reflect responsible behaviour with regard to waste disposal?
Correct the definition of certain terms given below by changing only one word.
Compost: Substances converted into manure for use in industries.
Beera, a farmer would clear his field everyday, and burn dry leaves fallen on the ground. After sometime he found that those living in huts near his field were suffering from cough and breathing problems.
- Can you explain why?
- Also suggest an environment friendly way to dispose the dry leaves.
What is meant by garbage?
Some wastes are given below:
- Garden waste
- Ball point pen refills
- Empty medicine bottles made of glass
- Peels of fruits and vegetables
- Old cotton shirt
The non-biodegradable wastes among these are ______.
