Quinine

A)a bitter medicine used to treat malaria
B)a bitter taste
C)a concentrated chemical derived from a source as a plant
D)a colorless liquid that is used as a paint thinner
E)a medicine made from the foxglove plant, used as a heart medication

A) a bitter medicine used to treat malaria

Cotton and _____ are used to make cloth.

fuel
chicory
alcohol
linen
turpentine

Linen.

Quinine is option A) a bitter medicine used to treat malaria. It is derived from the bark of the cinchona tree, which is native to South America. Quinine has been used for centuries to treat malaria due to its potent antimalarial properties. If you want to find out more about quinine, you can search for information on reliable medical websites, consult health professionals, or refer to reputable medical books or journals.