Neurons in the parasympathetic pathway use which of the following neurotransmitters?

a.) acetylcholine (preganglionic) and norepinephrine (postganglionic)
b.) acetylcholine
c.) norepinephrine
d.) norepinephrine (preganglionic) and acetylcholine (postganglionic)

Florian discovers a rock that is broken into pieces. each piece has several bands. which type of rock does florian predict these pieces will change into when subjected to heat and pressure? igneous magma metamorphic sedimentary

Your two friends just told you what to order for them at the drive through fast food restaurant. you give the order but when the food comes about 10 minutes later, you don't remember what each of your friends ordered your memory of the order was in __ memory. a. semantic b. flashbulb c. long-term d. short-term i think i know but i'm not really sure

Which of the following happened during the precambrian era? the first prokaryotic cells the first eukaryotic cells development of photosynthesis all of the above