Question

Why cotton and wool are rough to touch?​

Answer 1

Answer:

Woollen and cotton contain air spaces in it which makes it rough when you touch and also they have uneven surface which makes them rough to touch. On other hand silk and nylon have plain long fine structure which makes it appear smooth in touch.

Answer 2

because cotton is a dehiscent fruit which splits open after its fruit had dried . and their cells are not living cells .and its their nature

i think am i right