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 & Explanation:
Fluid and electrolyte loss often contribute to heat cramps. Muscles most often affected include those of your calves, arms, abdominal wall and back, although heat cramps may involve any muscle group involved in exercise.
D). If the crosswalks were painted it would it make it more visible to cars. It would also be more visible to pedestrians so they don't Jay walk and get hit.
Weight is a very large factor in are day to day lives. People whom are overweight can experience things such as becoming out of breathe from simply walking across the kitchen or tying their shoes, not to mention not staying a healthy weight can lead to many problems such as diabetes, heart failure and much more.
The answer is D. parents do not have a qualification
