1. You feel thirsty so you drink a large glass of water. A short time after drinking, the water levels in the body return to normal. What system
senses that there are low water levels in the body and begins the process
of returning the body to homeostasis?
A-Muscular
B-Nervous
C-Respiratory
D-Cardiovascular

What evidence is there that convection occurs in earth’s troposphere?

Which element is found in both dna and proteins

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point