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Question

To which of the following does the 4R principle apply the most?

A
Organic garbage
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B
Natural fibres
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C
Manures
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D
Plastics
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Solution

The correct option is D Plastics
Plastic is a man-made substance that cannot be broken down by natural microbial action. Hence, the 4R principle applies to it.

The 4 R principle is- Refuse, Reduce, Reuse and Recycle. This helps in reducing the harmful effect of plastic on the environment.
All other options have the names of the substances which are bio-degradable and hence can be broken down by microbial action and do not cause a lot of harm to the environment.

Thus the correct answer is option A.

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