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.
Answer:
using a ruler to scratch the skin under the cast
Explanation:
<span>Intussusception. should be the answer</span>
Answer:
Yes protein is in animals and vegetables
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