SAVE THE EARTH

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Across
  1. 3. Destroying everything around you
  2. 5. The scientific study of organisms and environment
  3. 7. Keeping the nature clean,the wise use of environment
  4. 8. Evergreen woodlands, where there is much rain
Down
  1. 1. The natural home of animals and plants
  2. 2. Making air, water, land a dangerous place
  3. 4. Too many people in one place
  4. 6. All around us