Compare the energy provided to the body by carbonhydrates, proteins, and fats

Total energy of the body is provided by carbohydrates proteins and fats. The carbohydrate and protein gives 4 calories/gram. The fat gives 9 calories/gram.

Our body gets energy from the food. The food consists of carbohydrates proteins and fats.  Carbohydrate comprises of carbon, oxygen and hydrogen. The protein is known as building factor of the body.

The fat is the main source of energy for the body. When the fat burns it gives large amount of energy to the body to perform work.

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c. the runner should sprint as fast as possible to the finish line.