I am sure that the answer is D
We are asked to fill up the blank space provided by the question above. The question above state that "<span>At higher doses, __________ causes twitching, irritability, panic, heart attack, and death." The statement talks about a term used when a person suffer such characteristics. The nearest term to described conditions once used by a person is called Cocaine.</span>
Organisms on a island are more similar to those on a nearby land mass than to those in similar climates further away.
