Determine which set(s) of two variables have a strong positive correlation and explain why this is so in each scenario. Select all options that demonstrate a strong positive correlation. A. Temperature and the number of clothing layers worn show a strong positive correlation because people tend to wear fewer layers when it is warmer. B. Helmet use and head injury show a strong positive correlation because as helmet use increases, the number of head injuries decrease. C. Children's height and shoe size show a strong positive correlation because as children grow up, both their height and shoe size increase. D. The amount of snow fallen and the number of snow shovels sold show a strong positive correlation because people tend to buy more snow shovels when it is snowier