Definition of Hemisphere. Hemisphere is the exact half of a sphere. More About Hemisphere. When a plane cuts across a sphere at its center, it forms two hemispheres. Surface area of a hemisphere of radius r is given by 2pr2. Volume of a hemisphere of radius r is given by 2/3pr3.
First, low water in the toilet BOWL case. If the water in the toilet BOWL is low after flushing, I see four likely causes, in order of most likelihood -. 1) the fill valve is not putting enough water into the toilet bowl.
What Causes Blue Stains? Blue stains in shower, tub or sink fixtures, are in the vast majority of cases, a result of household water that has a low pH. So, what is pH, you might ask. pH is a measure of how much acidity water has. The lower the pH your water has, the more acidic itâs become.