D. Clean and sanitize it. Its not a good idea to use the same utensil for both raw and cooked foods.
D. decrease the amount of muscle mass and increase the amount of body fat.
Deficiency disease + A
Niacin (B3) deficiency + D
Vitamin A deficiency + B
Vitamin B1 deficiency + C
Vitamin D deficiency + E
Vitamin C deficiency + F
Hope i helped
The brain is underdeveloped at birth and dovelops more over the firts few years.