World Environment Day

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Across
  1. 3. the animal and plant life of a particular region, habitat, or geological period
  2. 6. the country will host World Environment Day 2021
  3. 8. First World Environment Day was celebrated in this country
  4. 9. Abbreviation of the theme of WED - 2021
  5. 10. Abbreviation - First theme of World Environment Day celebrated
  6. 12. a type of microscopic algae found in the ocean, waterways and soils produces between 20 per cent and 40 per cent of the oxygen we breathe
Down
  1. 1. a biological community of interacting organisms and their physical environment
  2. 2. Title of English botanist who used the word 'ecosystem' for the first time
  3. 4. chemicals that destroy the earth’s protective ozone layer
  4. 5. Abbreviation - degradation of natural capital
  5. 6. Currently the most trafficked mammal in the world
  6. 7. plastic _________ has the greatest potential to harm the environment (word in blank)
  7. 11. Abbreviation of the largest ecosystem on earth