Environment

12345678
Across
  1. 2. Harmful effect on environment (n.)
  2. 4. Shortened form of a word/phrase (n.)
  3. 6. To remove other elements from substance (v.)
  4. 7. Event with catastrophical result (n.)
  5. 8. End result (n.)
Down
  1. 1. Argument of questionable opinions (n.)
  2. 3. Living element of Earth's environment (n.)
  3. 5. resource impossible to depleate (adj.)