Suppose that a biochemist performs an experiment that indicates that the recommended daily allowance of vitamin e (c29h50o2) should be doubled from 9.0 mg per day to 18.0 mg per day. the biochemist reports his results in a scientific journal.

which of the following is a good question to ask about the experiment after reading the biochemist's conclusions?

on what group(s) of people did the biochemist perform his experiment?
can vitamin e be toxic to humans?
is vitamin e a fat-soluble or water-soluble substance?

a.
i, ii, and iii
b.
ii only
c.
i only
d.
ii and iii