The correct answer is option D. Calcium.
Low bone density can be due to a lack of calcium thus requiring supplementation.
HIV is more susceptible for someone with aids to get.
Answer : A, B , C
Explanation: the second option
If you are asking what one serving size in cups of brown rice is the answer is 1/2 cup.
If there are 40 servings per container of rice and 20 cups you would simply divide