Multiple choice

The number of calories in one litre of water is

  1. 100 calories

  2. 1 calorie

  3. 1 calories

  4. No calorie
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Water is a pure substance containing no macronutrients (carbohydrates, fats, or proteins) that provide energy. Therefore, water has zero calories regardless of the volume consumed. Options A and B are incorrect because they assign caloric values to water, while option C is grammatically incorrect.

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