How can a tv/movie producer bring change to medicine?

List three reasons people may begin using tobacco

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?

Which of the following is the best description of health protecion the answer is b the direct actions taken by health organizations to improve public health