Answer:
They are energy production, energy storage, building macromolecules, sparing protein, and assisting in lipid metabolism.
Explanation
Carbohydrates are mainly found in plant foods. They also occur in dairy products in the form of milk sugar called lactose. Foods high in carbohydrates include bread, pasta, beans, potatoes, rice, and cereals. Carbohydrates play several roles in living organisms, including providing energy.