Earth & Its Conservation

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Across
  1. 1. Energy from the sun
  2. 4. The planet we live on
  3. 9. The long-term weather patterns in an area
  4. 11. Forest loss due to cutting trees
  5. 12. A community of interacting living organisms and their environment
  6. 13. Underground layer of water-bearing rock
  7. 14. Harmful substances introduced into the environment
  8. 15. Using resources in a way that preserves them for the future
  9. 16. A resource that cannot be replaced quickly
  10. 17. Decayed organic material used as fertilizer
  11. 18. Process plants use to convert sunlight into energy
Down
  1. 2. Gas essential for breathing
  2. 3. To use less of something
  3. 5. Material that can be broken down by nature
  4. 6. Total greenhouse gases produced by human activities
  5. 7. Natural fuel formed from ancient remains
  6. 8. Protecting the environment
  7. 10. To make something new from used materials
  8. 17. The outermost layer of the Earth