Environment

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Across
  1. 4. - Reprocessing of waste material for use in new products
  2. 6. - When new tree are planted in an area where no trees before
  3. 7. - The sciences of organisms and their environment
  4. 9. - No longer living
  5. 10. - kfk
Down
  1. 1. - The are of land where large amount of waste material are burried under the earth
  2. 2. - Mixture of various decaying organic substances
  3. 3. - A process that occurs when gases in eart
  4. 5. - Introduction of harmful materials into the environment
  5. 8. - Average weather in a given area over a large period of time