Fat Is a Very Efficient, Compact Means to Store Energy

Fat is a very efficient, compact means to store energy

A) because fat has more than three times the Calories per gram than do carbohydrates and protein.
B) as there is very little water in a gram of protein, compared to the 3-4 grams of water stored with each gram of fat.
C) with approximately 80,000-100,000 Calories stored in the adipose tissue of the average adult male.
D) None of the answers are correct.