Which category of compound is most concentrated energy source? (1) Fats (2) Starch (3) Proteins (4) Vitamins

Which category of compound is most concentrated energy source? (1) Fats (2) Starch (3) Proteins (4) Vitamins
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(1) Fats Explanation: Fat is the most concentrated source of food energy. Fat that is liquid at room temperature is called an oil.
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