Answer:
Savanna do not exist in the united states because there are no true tropic climates.
Different monomers contain different kinds of atoms needed to produce different end products
Carbohydrates are the sugars, starches and fibers found in fruits, grains, vegetables and milk products. Though often maligned in trendy diets, carbohydrates — one of the basic food groups — are important to a healthy diet.
Agricultural chemicals is an example of a nonpit source of freshwater pollution
