North American Crossword Puzzle

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Across
  1. 3. Why is the United States one of the most ethnically diverse countries in the world? (Pg.129)
  2. 4. In what city did the building of levees damage the natural landscape that once protected it from flooding? (Pg.135)
  3. 5. What do aqueducts bring to California's large population? (Pg.138)
  4. 7. Fossil fuels are considered this type of energy... (Pg. 124)
  5. 9. Why is the environmental condition of the Gulf of Mexico important to the U.S. economy? (pg.124)
Down
  1. 1. This region of Florida provides rich habitats for a variety of animals and plant species, and has been threatened by environmental degradation. (Pg. 122)
  2. 2. Which two U.S. states have the largest petroleum reserves? (Pg. 124)
  3. 6. As of 2013, only twelve percent of Canada's ____________________ ________________ was federally protected (Pg.158)
  4. 8. __________ ___________ is an environmental problem in the United States because it corrodes stone and metal buildings, damages crops, and pollutes the soil. (Pg. 135)