19. How is zoning used to control land use and intensity of use. Provide specific examples.

20. What is the primary method by which zoning is enforced? If this method is not followed properly, what can be the result?

21. Define transferable development rights. Describe a scenario in which this type of system would be beneficial.

22. Mary owns a lot on which she wishes to build her dream house. To her consternation, she finds that if the house is placed on her rather narrow lot, it will fail to meet the sideyard setback requirements by three feet. What can she do?