Rebekah is studying a molecule and trying to determine if it is dna or rna. which kind of molecule is she studying?

What can friends provide to affect mental health positively? a)peer pressureb)challengesc)conflictd)companionship

Which of these is a sexual stereotype? a) on average, males are taller than females. b) people over the age of 60 are not interested in sex. c) male hormone levels differ from those of females. d) there are more male representatives than female representatives in congress.

Which is the term used for a drug that increases the activity of the nervous system