North America's Environment Crossword Puzzle

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Across
  1. 3. Fossil fuels are considered this type of energy...
  2. 4. What is a product of automotive and industrial emissions?
  3. 6. Wind, solar, and hydroelectricity are examples of ...
  4. 8. What do aqueducts bring to California's large population?
  5. 10. The United States has the largest _____________ _______________ in the world.
  6. 11. ____________ ______________ is an environmental problem in the U.S. because it corrodes stone and metal buildings, damages crops, and pollutes the soil.
Down
  1. 1. As of 2013 only 12% of Canada's ________________ _______________ was federally protected.
  2. 2. Which two states have the largest petroleum reserves?
  3. 5. In what city did the building of levees damage the natural landscape that once protected it from flooding?
  4. 7. This region of Florida provides rich habitats for a variety of animals and plant species, and has been threatened by environmental degradation.
  5. 8. Why is the environmental condition of the Gulf of Mexico important to the U.S. economy?
  6. 9. What is removal of whole forests for harvesting trees.