3
Q:
| A) Cattle dung | B) Aluminium cans |
| C) Plastics | D) D.D.T |
Answer: A) Cattle dung
Explanation:
Explanation:
Any substance that does not cause pollution and is capable of getting decomposed by any living organism is called as Bio degradable. Human & animal excreta, plant wastes etc... come under bio-degradable.
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