Many plants are good sources of medicines for human diseases because they?

Question

a) are inexpensive

b) never contain substances that are harmful to humans.

c) produce chemicals that protect them from insects and disease.

d) do not get cancer.

im not sure. i need some help, thanks

Answer 1

c

Answer 2

in my opinon the best medicine palnt would be a marijuana plant cuz weed is good for many different medicinal uses

Answer 3

C.

Plant sources of medicine are not always inexpensive. Plants often contain substances that are harmful to humans. Plants do get cancer.