Earth Day Crossword

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Across
  1. 3. Clearing of forests
  2. 7. Gradual wearing away of soil
  3. 10. Replanting of forests
  4. 13. Resources that can be replenished
  5. 14. Study of organisms and their environment
  6. 15. Natural home of an organism
Down
  1. 1. Ancient organic remains
  2. 2. Long-term weather patterns
  3. 4. Decomposed organic material
  4. 5. Disappearance of a species
  5. 6. Meeting needs without harming future
  6. 8. 22nd April
  7. 9. Variety of life in an ecosystem
  8. 11. Contamination of the environment
  9. 12. Process of reusing materials