Correct answer is B, Carbohydrates, Proteins, Fats and Sugars.
Four sources of calories or energy are Carbohydrates, Proteins, Fats and Sugars.
A balanced diet must contain appropriate amount of these four elements. In order to stay healthy and live a healthy life, we need to take these nutrients in a balanced manner.
Carbs include rice, breads, grains, etc. Proteins include Meat, poultry, fish, cereals, eggs etc. Fats include Butter, oils etc.
