Sharing needles can along with many other ways.
This question is in the context of diseases acquired from the deficiency of these vitamins.
Vitamin C deficiency causes scurvy and this is characterized by decreased collagen production leading to easy bleeding of the soft tissues. Thiamine deficiency causes beriberi which is characterized primarily by symptoms associated with heart failure. Vitamin D deficiency causes rickets which is the abnormal softening of the bones of children (vitamin D deficiency causes osteomalacia in adults). Niacin deficiency causes pellagra characterized by diarrhea, dermatitis, dementia, and even death if untreated. Vitamin A deficiency causes keratomalacia which causes death of corneal cells leading to cloudy vision.
The others are to be matched by description. Milk protein is called casein. Egg white protein is called albumen. Lastly, starch stored in the liver and muscle is called glycogen.
Answer:
1. dont make it about yourself aka dont say "Oh I know what your going through I went through the same thing".
2.support them in there time of need give them love and affection.
3. say nice things like "I am sorry for your loss", "I love you" or he/she was a wonderful person and they are in a better place.
Explanation:
hope it helps