Describe two things that can you refuse drugs

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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?

Bennett has trouble interacting with other students in school lately. he has become frustrated easily when asked to work in groups, and he has been withdrawing from class discussions. his teacher is worried about his