Question

Fill in the blanks. (a) _____________fibres are human-made and are produced using chemicals.​

Answer 1

Answer:

synthetic

hope this will help you

Answer 2

Materials like rayon and acetate two of the first man made fibres to be produced were made from cellulose polymers.

Synthetic fibres are made only from polymers found in natural gas and the by-products of petroleum. They include nylon, acrylics, polyurethane and polypropylene.

HOPE IT HELPS YOU MATE (灬º‿º灬)♡