Chapter 20 Review

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Across
  1. 4. meeting needs in present while ensure future generations have resources
  2. 8. light, heat, or nuclear radiation released to atmosphere p. 421
  3. 9. God's command to use wise dominion over the earth
  4. 12. using less of something
  5. 13. the name for water filled with Karenia brevis algae
  6. 14. a resource that is used faster than it's replenished
  7. 16. leave natural resources (especially land areas) alone; free from human influence p. 429
  8. 18. A conservation effort to use resources wisely so they don't run out p. 428
  9. 19. a resource that is replenished faster than it's consumed
Down
  1. 1. a substance pollutant that is broken down naturally
  2. 2. improper release of anything harmful to the environment p. 420
  3. 3. concern for proper stewadrship of natural resources
  4. 5. cleaning impure water to make it pure
  5. 6. a substance pollutant that cannot be broken down; plastic p. 421
  6. 7. state and national __ are preserved areas
  7. 10. organism that helps break down substance pollutants
  8. 11. conservationists effort to undo damage from past p. 428
  9. 15. a way of disposing wastes by burying them p. 422
  10. 17. to use something again usually for another purpose