Question 9 in our modules. we watched a video about Deadly Ice Cream. The purpose of this video is to illustrate the difference between correlation and causation. Causation exists when: 0 there is a relationship between two variables. 0 both variables increase over time. 0 both variables decrease over time. 0 a change in one variable results in a change in the second variable. Question 10 Adam Smith famously coined the term 'invisible hand " which refers to: O the coordination of markets. 0 individuals acting in their own self-interest creating unintended social benets for an econormr. O collective agreement on common goals for the economy. 0 self-interested individuals trying to increase their own profits