Which one of the following choices is a fat-soluble vitamin?
a. calcium
b. b6
c. c
d. d

Fat-soluble vitamins: A, D, E, and K — are stored in the body for long periods of time, and pose a greater risk for toxicity than water-soluble vitamins. Fat-soluble vitamins are only needed in small amounts.

So your answer would be D. Vitamin D

Each gram of carbohydrates and proteins yield 4 calories / gram . the more the calories a food has the more energy it provide to you body.

The answer id letter d 90