Answer:
Thinning bones = Calcium
Problem with fluid balance = Potassium
Vision problems = Vitamin A
Poor wound healing = Zinc.
Explanation:
Thinning of bones is caused by the lack or low amount of calcium. Osteoporosis is the thinning of bones that cause your bones become thin and weak and increases the risk of breaking a bone.
Problem with fluid balance is created when the deficiency of potassium occurs in the body. Excess fluid in the skin and tissues can cause fluid imbalance. Body loose too much fluid due to vomiting, diarrhea, severe blood loss or high fever.
Vision problems is created by the deficiency of Vitamin A, which also cause night blindness. Vision problems are different types like nearsightedness(myopia), farsightedness(hypermetropia), astigmatism, and presbyopia.
Poor wound healing is caused by deficiency of zinc. Wound healing is the slow healing of cuts and wounds, when you cut or burn yourself your body begins a three stage process to repair the damaged skin.