<span>both excitation and inhibition</span>
The are six essential nutrients that are needed for the human body. n essential nutrient is a nutrient that the body cannot synthesize on its own. These nutrients are carbohydrates, protein, fat, vitamins, minerals and water. Hope this answers the question.
Yes, as scientists could figure out what might have changed in the variables she used. Brainliest me and I can give you the whole system.
