1. Describe the regional variation in climate in the contiguous (lower 48) United States. In other words, how does climate vary from east to west? North to South? 2. Explain how climate and vegetation are related and provide at least one example. 3. a. How many Koppen Climate zones (primary classes) are there in the contiguous U.S.? b. What is the Koppen Climate Classification for San Marcos, Texas? 4. Give an example of a state for each of the primary climate zones in the U.S. You may find it helpful to use an atlas or your textbook. 5. What is an Urban Heat Island? In what ways might the climate of a large city be different from its surrounding rural area?