EARTH DAY

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Across
  1. 5. The study of organisms and how they interact with the environment around them
  2. 6. Action or practice of using an item, whether for its original purpose or to fulfill a different function
  3. 7. It is the total amount of greenhouse gases that are generated by our actions
  4. 8. Gases in the atmosphere that raise the surface temperature of planets (for example: carbon dioxide,methane…)
  5. 9. The purposeful clearing of forested land
Down
  1. 1. Cannot be made again in a short period of time
  2. 2. It can be defined as a sum total of all the living and non-living elements and their effects that influence human life
  3. 3. To keep and protect something from damage, change, or waste
  4. 4. The introduction of harmful materials into the environment
  5. 5. What do we celebrate on 22nd April?