<span>Leather shoes are made from natural polymers; raincoats are made from synthetic polymers. </span>
I believe the answer would be “B” Srry not good with science
I would say presence of inorganic molecules I THINK not sure.
Answer:

Explanation:
Blood vessels are vessels that carry blood through organs and tissues. The five types of blood vessels are: arteries, veins, arterioles, capillaries, and venules. The main function of blood vessels is to carry blood throughout the body.
Answer:
a) root system .take care