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.
<span>True, the hinge joint allows for a wide range of movement however not as much as a ball and socket hinge. Hope I helped.</span>
Frankenstein leg kicks are known as dynamic stretching, The answers is Trues?
