Question

20) EXPLAIN WHY SOME FIBERS ARE CALLED SYNTHETIC FIBRES.
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Answer 1

Answer:

The reasons why some of the fibres are called synthetic is because man has prepared them by using chemicals. These are made of small units that join together to form long chains. Some of the examples of synthetic fibres are nylon, rayon, acrylic, polyester etc.

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Answer 2

Answer:

since man-made fibers are synthesised from petrohemicals,they are called synthetic fibers...

Explanation: