Macronutrients are big picture nutrition categories, such as carbohydrates, fats, and proteins. Micronutrients are smaller nutritional categories, such as individual vitamins and minerals like calcium, zinc, and vitamin B-6.
The answer is option C "Calories" Calories is a unit of measure for food or energy. Calories are also the amount of energy you consume when you eat or drink something. Kilocalorie are equal the amount of 1000 calories.
