How can you boost your mental and emotional health at school? a. read books you like instead of reading for class. b. turn group studying into a social event. c. avoid making friends. d. join extracurricular activities and clubs.

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?