Gram for gram, which element provides the most energy?

Name: Gram for gram, which element provides the most energy?
Brand: Quizplus
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Question

Gram for gram, which element provides the most energy? ​

Quizplus · Accepted Answer

Fats provide the highest amount of energy per gram compared to the other macronutrients. While carbohydrates and proteins provide 4 calories per gram, fats provide 9 calories per gram. Alcohol provides 7 calories per gram, but it is not considered a nutrient since it is not essential to the body. Therefore, A is the correct answer.

Gram for Gram, Which Element Provides the Most Energy? ​

Gram for Gram, Which Element Provides the Most Energy?