Respuesta :

carbohydrates. they're what give you energy. 

Fats provides the most energy than the carbohydrate and protein.

Energy provided by fat, carbohydrate and protein

Fat provides 9 calories per gram.

Carbohydrate and protein both provides 4 calories per gram of it.

Hence, fats provides the most energy of all the macronutrients.

To know more about energy ratio of fat and carbohydrate :

https://brainly.com/question/16800422

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