Identify each of the following scenarios as examples of causation, positive correlation, and/or negative correlation, and explain your answers.
a. More attorneys own expensive foreign sports cars than do people in any other profession. 

b. Most cities with an average annual rainfall of more than 40 inches have a higher propensity to flood during rainy seasons.
c. The higher a student’s grade point average, the less likely he will live in a fraternity house. 

d. Most men who are bald or are losing their hair also wear eyeglasses.
e. Most people who recycle their trash on a regular basis have a lower incidence of driving a large SUV than those who do not regularly recycle.