Author Question: Of the roughly 250,000 species of higher plants in the world, how many may have medicinal or ... (Read 73 times)

audie · **on:** Jul 10, 2018

Of the roughly 250,000 species of higher plants in the world, how many may have medicinal or nutritional values?

a. All of them
b. 40,000
c. 10,000
d. Roughly half

Question 2

The ancient Greeks and several North American Indian tribes used the bark of willows for relief from pain and fever. Today, this cure can be found in:

a. aspirin.
b. cough syrup.
c. ibuprofen.
d. Tylenol.