Answer:
The concentration of a substance is the quantity of solute present in a given quantity of solution.
When your body turns your food into energy it can heat your body which is called cellular respiration. Not sure if this is what you were looking for?
Answer: It should be D.
Explanation
Facilitated- requires energy- large molecules require energy to go cross the phospholipid bilayer.
Cells depend on glucose for energy.
The index& the middle fingers r very helpful for this
