Which of the following is true concerning herbal remedies?
a. They are safe because they come from plants.
b. There are safety standards set by the government for these products.
c. Their components become more concentrated when they are made into supplements.
d. They are safe for pregnant women and children because they are natural.
Question 2
The green substance that accumulates just beneath the potato's skin is:
a. sulfur dioxide.
b. solanine.
c. polychlorinated biphenyl.
d. mercury.