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प्रश्न
The question has four options. Choose the correct answer:
Sewage water is purified by
विकल्प
microorganisms
light
fishes
aquatic plants
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उत्तर
microorganisms
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संबंधित प्रश्न
Give any two ways in which non-biodegradable substances would affect the environment.
Why is e-waste harmful? Express your opinion about this.
The question has four options. Choose the correct answer:
Fish die in water bodies polluted by sewage due to
Which of the following is biodegradable waste?
First link in any food chain is usually green plants because ______.
Correct the definition of certain terms given below by changing only one word.
Landfill: Garbage buried under water in an area.
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.
Write 3 sentences on what comes to your mind when you chance to see the following.
A cow eating a polythene bag.
Choose the odd one out from the following terms and name the category to which the others belong:
