Wood in the Environment

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Across
  1. 4. Trees help prevent _______, which is caused by runoff
  2. 6. harmful chemicals in the environment
  3. 8. Modern _______ has reduced the amount of pollution created by the lumber industry
  4. 10. Wood is a __________ resource, because more trees can be grown
  5. 11. Trees can help reduce _____ pollution in urban areas by as much as 50 percent
  6. 13. A harmful chemical dumped into rivers and streams by paper manufacturing plants
  7. 14. Wood is strong and _______, which makes it a good material for furniture
  8. 16. Wood is a good _______, meaning it helps conserve energy
  9. 17. Most homes built in the US have _____ made of wood
Down
  1. 1. In the past, ________ created a lot of smoke and air pollution
  2. 2. A gas that is harmful to humans, but trees need it to breathe
  3. 3. homes, furniture, and many other products (2 words)
  4. 5. Trees act as _____ by removing harmful substances from the air and soil
  5. 7. A gas that humans need to breathe
  6. 9. A material made from wood that is commonly used in packaging
  7. 12. Wood is an important ____ ________, used for
  8. 15. Rain or melted snow that washes away soil