For each of the following questions, select a research technique that is likely to yield a useful answer. For instance, if the question is “Which companies within a 20-mile radius of our company headquarters sell recycled paper?” a search of the Web is likely to provide a useful answer.

a. Does the Honda CR-V include traction control as a standard feature?

b. How much money has our company’s philanthropic foundation donated to colleges and universities in each of the last three years?

c. How does a tankless water heater work?

d. Could our Building 3 support a rooftop green space?

e. How can we determine whether we would save more money by switching to fluorescent or LED lighting in our corporate offices?