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Why do two grams of fat provide a different amount of energy than two grams of carbohydrates? (2-3 sentences)

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Answer:

Fats are the slowest source of energy but the most energy-efficient form of food. Each gram of fat supplies the body with about 9 calories, more than twice that supplied by proteins or carbohydrates. Because fats are such an efficient form of energy, the body stores any excess energy as fat.

Step-by-step explanation:

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