factors that determine how much water intake is needed on a daily basis include all of the following except a. activity level. b. body composition. c. gender. d. age.
it's not gender.

The famous scientist galileo galilei did several experiments with sloping planes, which he rolled metal balls down so that he could study motion. by changing the slope, he could study how the speed at which the ball rolled was affected. what was the dependent variable in galileo's experiment?