The main goal of fitness evaluations is to provide an objective measure of physical fitness
. Correct answer: C
However, fitness evaluations are usually designed for a certain group of people because different groups of people (athletes , no athletes) have different parameters.
Because water will flush the stone to the urinary tract.
Water can push the stone and lubricate the way, make the passage easier. The water can also dissolve some stone, make it smaller. Stone is made because the water content is too low and make the concentration of solute become higher, make it easier to precipitate. An acid/base pH water would dissolve the stone easier, depends on the stone composition.
The answer is C for sure no better answer to choose you are welcome ;)