The number of calories in a gram of fat is more than double the number of calories in a gram of protein
half the number of calories in a gram of carbohydrate
equal to the number of calories in a gram of protein
three times the number of calories in a gram of carbohydrate

 A gram of carbohydrate contains 4 calories. A gram of protein also contains 4 calories. A gram of fat, though, contains 9 calories — more than twice the amount of the other two. That's why one food with the same serving size as another may have far more calories.

Explanation:

start studying ch. 18: body composition and nutrition for health. learn vocabulary, terms, and more with flashcards, games, and other study tools. what is a factor to less severe obesity? represents 60-75% total energy expenditure

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