Question

a) Despite being very useful it is advised to restrict the use of plastic, why is it so? Can you
suggest some methods to limit its consumption?

b) With an example describe briefly how synthetic fibres are stronger than the natural fibres.

c) Should the handle and bristles of tooth brush be made of the same material? WHY so?

Answer 1

Explanation:

answer hai yeh iska sibwbe do do do do

Answer 2

Answer:

I don't know this question