If you could add three more courtesy rules to volleyball, what would they be and why? Be sure to include one reason for each addition. (Your answer must be at least 5 sentences)

How can a person  best  reduce the risk of injuries on the road?  

Which of these is likely to be the best source of valid health information?

Which statement best illustrates that problem solving can create new medical devices? robert hooke was in charge of verifying the information that was sent to the royal academy. william harvey did experiments with apes to learn about the circulatory system. the stethoscope was invented because the physician did not want to put his head on women's chests to listen to their heart and lungs. anton van leeuwenhoek was a very curious man and looked at just about everything under this microscope.