The conversion is: 4.2kJ = 1 calorie. We use it to determine how much energy a food will provide when we eat it. The nutrients that provide energy are commonly referred to as macronutrients (carbohydrates, lipids, and proteins). Carbohydrates and proteins provide a similar amount of energy per gram of food.
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Answer:
The conversion is: 4.2kJ = 1 calorie. We use it to determine how much energy a food will provide when we eat it. The nutrients that provide energy are commonly referred to as macronutrients (carbohydrates, lipids, and proteins). Carbohydrates and proteins provide a similar amount of energy per gram of food.
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