Kinetic energy and the energy is lost when the ball is thrown.
The answer is 62 percent. <span>By 1999, after the Clean Water Act had been passed in 1970, the percentage of U.S. surface waters safe for fishing and swimming had increased from 36 percent to 62 percent. </span>
They prevent bursting of the cells. Aquaporins regulate the water flux in the kidney, red blood cells, etc.