The tropical rain forests is the most common vegetation throughout Latin America.
Not sure but black are bad so i would say b or d
The drug prevention has it major limitation and that is: the drug prevention does not clearly states the goal that the drug is trying to achieve. It is the major limitation for this is the question that has always be unclear and unexplained as to how and why should this act be proceeded.
Answer:
Not at all you can still keep on asking
(A) Increases the likelihood of aggressive behavior.
source https://mobile.nytimes.com/2013/02/12/science/studying-the-effects-of-playing-violent-video-games.html?pagewanted=all&
"A dose of violent gaming makes people act a little more rudely than they would otherwise"