The most common ways to treat cancer include a. chemotherapy, radiation, and surgery b. immunotherapy, radiation, and hormone therapy c. hormone therapy, surgery, and radiation d. radiation, chemotherapy and immunotherapy

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?