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प्रश्न
What are biodegradable and non-biodegradable pollutants?
उत्तर
Biodegradable pollutants are those which can be decomposed by bacteria. For example, dust particles, sewage, cow dung etc. Non-biodegradable pollutants are those which cannot be decomposed by bacteria. For example, plastic materials, mercury, aluminium, DDT, etc.
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संबंधित प्रश्न
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| List I (Pollution) |
List II (Effects) |
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