ArtEnglish/Environment Aihl

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Across
  1. 7. is the variety of animals, plants and even microorganisms like bacteria that make up the world
  2. 9. the natural home or environment of an animal , plan tor other organism
  3. 14. people who want to protect the environment
  4. 15. a forest in a tropical area that receives a lot of rain
  5. 16. is to use an item again after it has been used
  6. 18. energy that comes from a source and travels through space at the speed of light
  7. 19. use or expend carelessly, extravagantly or to no purpose
  8. 20. a collapse of a mass of earth or rock from a mountain or cliff
Down
  1. 1. the mixture of gases around the earth
  2. 2. is a gradual increase in the earth’s temperature generally due to the greenhouse effect
  3. 3. a substance that pollutes something , especially water or the atmosphere
  4. 4. a tropical storm in the region of the Indian or western Pacific oceans
  5. 5. damage caused to water, air etc.harmful substances or waste
  6. 6. a sudden accident or a natural catastrophe that causes great damage or loss of lifePes
  7. 8. very rich soil
  8. 10. the weather conditions prevailling in an area in general or over a long period
  9. 11. it occurs when a species no longer exists
  10. 12. a sudden violent shaking of the ground
  11. 13. the study of the relationships between living organisms and their environment
  12. 17. a colorless, odorless gas