A measure of nutrient content relative to total calories a food provides. ?

How does the endocrine system affect the body's functions? o o o o it secretes enzymes directly into the bloodstream. it secretes hormones directly into the bloodstream. it secretes enzymes through ducts to the surface of organs. it secretes hormones through ducts to the surface of organs.

If you are caught in a flash flood, or sea water rushing your way, drive to the ground you can find. highest lowest nearest darkest

So i have a lot of answers answered but it says i still need to answer more questions. why is it doing that? how many questions need to be answered?