WG 8C

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Across
  1. 1. This can spin giant "fans" that produce electricity
  2. 4. the introduction of contaminants into the natural environment that cause adverse change
  3. 5. The practice of saving natural resources
  4. 9. Resources that can be replaced within a human's lifespan
  5. 11. oil, coal, and natural gas are known as _____ fuels
  6. 12. in danger of extinction
  7. 13. Energy produced using the sun's rays
  8. 15. nonrenewable products such as steel, aluminum, and copper
  9. 16. It's important to keep pollution out of this resource so we have plenty to drink
Down
  1. 2. Giant reactors change the structure of atoms and produce this type of power
  2. 3. Naturally occurring substances that cannot be replaced
  3. 6. region of Earth's stratosphere that absorbs most of the Sun's ultraviolet radiation
  4. 7. Sometimes called petroleum, this can be converted to gasoline and other products
  5. 8. gas Gas forms beneath the earth's surface and is very flammable
  6. 10. A black sedimentary rock that burns easily
  7. 14. pollution can make it difficult for humans to breathe and for plants to grow