Environment Vocabulary

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Across
  1. 3. The science of the relationships between organisms and their environments.
  2. 5. We cannot live without it.
  3. 6. Source of pollution from factories.
  4. 7. Maamora in Morocco, for example.
  5. 9. Not artificial.
  6. 10. opposite of dead.
Down
  1. 1. Turning waste materials into new products.
  2. 2. Trees for example.
  3. 4. The air in big cities is usually _________.
  4. 8. When there isn't any_________, there is drought.