Since Cocaine's Half-Life Is 10-Fold Shorter Than Amphetamine,we Can Conclude

Since cocaine's half-life is 10-fold shorter than amphetamine,we can conclude:

A) that cocaine's drug effects are greater than amphetamine.
B) that cocaine's drug effects are shorter lasting that amphetamine.
C) that amphetamine must have active metabolites to prolong its effects.
D) that the drug molecule for cocaine is much smaller than amphetamine, accounting for the quicker rate of elimination.