Question

(CheckPoint1)
Fill in the blanks.
1._________________
are small units that join to make a polymer.
2.___________________
is also known as artificial silk.
3.___________________
is used as a cheaper alternative to wool.
4. Natural fibres are obtained from____________________
and_____________________​

Answer 1

Explanation:

1- Monomers

2- Rayon

3- Acrylic

4- plants and animals

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Answer 2

Answer:

monomers

synthetic fibres

acrylic

natural sources and fibres

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