Which among the following polymers is obtained from styrene and $1,3-$Butadiene?

The polymer used in bulletproof glass is .......

Given below are two statements $:$
Statement $I :$ Wet cotton clothes made of cellulose$-based$ carbohydrate take a comparatively longer time to dry than wet nylon polymer$-based$ clothes.
Statement $II :$ Intermolecular hydrogen bonding with water molecules is more in nylon$-based$ clothes than in the case of cotton clothes.
In the light of the above statements,choose the correct answer from the options given below $:$

Which of the following polymers is used to obtain bristles for brushes?

The biodegradable polymer is

Which is a biodegradable polymer?