Answer:
The answer is C
Step-by-step explanation:
Therefore, in order to swim in the English channel, in which its waters are extremely cold, we need carbohydrates like glucose that provide 4 kilocalories per gram. ... Fats are much more energetic foods, producing about 9 kilocalories of energy per gram, more than double that of sugar. Experts recommend that no more than 30% of the calories in our diet come from fat.