Question

question 10
the three main categories of energy - producing foods are ____.
○a. fats, carbohydrates and vitamins
○b. fats, vitamins and proteins
○c. fats, carbohydrates and proteins
○d. fats, carbohydrates and alcohol
○e. carbohydrates, vitamins and proteins

Explanation:

Vitamins are not energy - producing nutrients. They play other roles like acting as co - factors in metabolic reactions. Alcohol is not a main category of energy - producing foods in the context of a balanced diet (it has some energy but is not a primary, healthy source). The three main energy - producing macronutrients are fats (9 kcal per gram), carbohydrates (4 kcal per gram), and proteins (4 kcal per gram).

Answer:

C. fats, carbohydrates and proteins