Question

what 2 macromolecules provide fuel for our bodies?
□ carbohydrates and proteins
□ carbohydrates and lipids
□ lipids and proteins

Explanation:

Carbohydrates are the body's main energy - source, quickly broken down into glucose. Lipids (fats) are a long - term energy storage, providing more energy per gram than carbohydrates. Proteins are mainly for body structure and function, not the primary fuel sources.

Answer:

B. carbohydrates and lipids