Answer:
id don't under stand spanish
Explanation:
Answer:
When your doctor takes your blood pressure, it's expressed as a measurement with two numbers, with one number on top "systolic" and one on the bottom "diastolic", like a fraction. For example, 120/80 mm Hg. The top number refers to the amount of pressure in your arteries during the contraction of your heart muscle.
Explanation:
Answer:
CDC is the correct organization .
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.