Calcium and magnesium dissolved in water are the two most common minerals that make water "hard." The degree of hardness becomes greater as the calcium and magnesium content increases and is related to the concentration of multivalent cations dissolved in the water.
D since gentics would make you more prone to drink and or have to drink less. same with age.
Well chicken helps your muscles , lemon helps clean your body,potatoes I don’t know and avocado is a type of vegetable so is healthy so I think chicken or lemon
