The surface of peters hand has a positive electrical charge and a doorknob has a negative electric change. As peter hand approaches the doorknob the attion between the position and negative charges become greater and the electric energy causes electricity to run from doorknob to peters hand. What happen to peter

Diego conducted an experiment to find out what kind of ball bounces the highest when dropped from a five-foot platform. he used a golf ball, a tennis ball, and a soccer ball. he dropped each ball from the balcony once. diego recorded his observations after each drop. what can diego do to best improve the reliability of his results? a) drop each ball from the platform three more times b) record his observations in more than one unit c) write at least two scientific questions after the experiment is complete d) share his results with other people who have done similar experiments you for the !