Some man-made fibres, too, are derived from naturally occurring polymers. For instance, rayon and acetate, two of the first man-made fibres ever to be produced, are made of the same cellulose polymers that make up cotton, hemp, flax, and the structural fibres of wood.
Overgrazing is a cause of desertification, so c.
D I think sorry if it’s wrong ♀️
Answer:
<u><em>Surface tension </em></u>
Explanation:
A measure of how difficult it is to stretch or break the surface of a liquid Is called <u><em>surface tension.</em></u>
Hope this helps! <3