Environment

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Across
  1. 2. Living element of Earth's environment (n.)
  2. 3. Harmful effect on environment (n.)
  3. 7. To remove other elements from substance (v.)
  4. 8. Argument of questionable opinions (n.)
  5. 9. Lack of resource (n.)
Down
  1. 1. Shortened form of a word/phrase (n.)
  2. 4. Event with catastrophical result (n.)
  3. 5. End result (n.)
  4. 6. resource impossible to depleate (adj.)