Saving our environment

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Across
  1. 3. Honking and loud sounds on DJ cause …pollution
  2. 6. Dust and chemical fumes cause … pollution
  3. 7. We can increase level of Oxygen in air by planting ….
  4. 8. Plastic bags and aluminium waste cause …pollution
Down
  1. 1. Industries need to ….their harmful gases before sending them in air.
  2. 2. Noise pollution causes ….
  3. 4. Any kind of … is harmful to us.
  4. 5. Mixing industrial waste in rivers causes …pollution
  5. 9. Air pollution causes ….