Nature conservation day

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Across
  1. 2. released by plants | OXYGEN
  2. 6. of natural resources | CONSERVATION
  3. 8. home of plants and animals | HABITAT
  4. 9. trees | AFFORESTATION
Down
  1. 1. of gases around the Earth | ATMOSPHERE
  2. 3. of plants and animals | BIODIVERSITY
  3. 4. down forests | DEFORESTATION
  4. 5. from the sun and wind | RENEWABLE
  5. 7. of air, water or land | POLLUTION
  6. 9. of converting waste into reusable materials | RECYCLE