Which statement describes a causal relationship between two variables? in years with more rainfall, the level of the lake increases. countries with more televisions per person generally have more cars per person. fires lead to more expensive property damage in neighborhoods with higher numbers of firetrucks. children who are taller tend to have larger vocabularies.

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 !