What kind of food contains lots of carbohydrates? a. chicken b. cheese c. nuts d. potatoes

Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?

Milk production during breastfeeding is increased by the suckling of a newborn from his mother's nipple. this type of feedback mechanism best describes a positive or negative