Hi !
What type of communication is Gary involved in?
Negative, his father pays no attention to him.
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.
Carbohydrates changed into sugar
proteins broken down to amino acids
fats converted to fatty acids
nutrients carried to cells