Answer:-
A) and C)
Explanation:-
B) isn’t correct because DNA is double stranded unlike RNA which is single stranded.
D) isn’t correct because they are nucleic acids
Answer:
limbic system
Explanation:
it is also called emotional brain because it controlls all our emotional responses
Answer:
high risk because you can pass sickness and dieses around
Heroin, Crack, Xanax, Coke, Meth, LSD
C. a higher amount of addictive chemicals are needed to get the same high when fewer receptors are present.