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प्रश्न
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उत्तर
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संबंधित प्रश्न
Name the various modes of waste disposal.
Why is e-waste harmful? Express your opinion about this.
The question has four options. Choose the correct answer:
A huge quantity of sewage is dumped in a river. The BOD will
Why should we not bum dried plant leaves and husk? What is the best way to get rid of them?
Do you think it is better to use compost instead of chemical fertilizers? Why?
Which of the following is the best way for disposal of vegetable and fruit peels?
Which of the following is biodegradable?
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 happens when insecticides, motor oil, paints are poured down the drain?
