The symbol is also an Ancient Egyptian hieroglyph which represents the hieroglyph Â´nh (ankh) meaning life or breath of life. The glyph appears in an incredible number of inscriptions and was often used as a decorative device.
Some of the common summer viruses-- in particular the enteroviruses that can cause diarrhea and the well known hand-foot-mouth disease-- are easily acquired from other children who swim in the same pool. Drinking too much pool water can also cause diarrhea because of the chlorine. Although swallowing some pool water is inevitable, teaching a child proper technique in the water may save you from having to deal with this intestinal complaint.
For example, if you mix bleach with toilet bowl cleaner, which contains hydrochloric acid : HOCl + HCl â H 2 O + Cl 2. Chlorine gas attacks mucous membranes, such as your eyes, throat, and lungs and can kill you, so causing that reaction isn't in your best interest. If you mix bleach with another acid, such as the acetic acid found in vinegar, you get essentially the same result: 2HOCl + 2HAc â Cl 2 + 2H 2 O + 2Ac - (Ac: CH 3 COO).