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.
Hold ice to the area for 20 minutes with short breaks in between
Answer:
well, you never know
Explanation:
you know every human being has their way of living and some are weird, that might be one of ours, which we don't see ourselves but someone else. so, what I'm saying is that, who cares!!
