Correct option is B
Nutrients are necessary for the growth, energy, repair, and maintenance of the body.
· Nutrients are classified as Macronutrients and Micronutrients.
· Carbohydrates, Calories, and Proteins are an example of Macronutrients.
Micronutrients:
· Micronutrients are the elements required by us in small quantities.
· Iron, cobalt, chromium, iodine, copper, zinc, and molybdenum are some of the micronutrients.
· Deficiency of any of the nutrients affects growth and development.
· They play a major role in the metabolic activities of the body.
· These include vitamins and minerals.
Explanation: