Environmental GK

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Across
  1. 4. Contaminated water spreading disease
  2. 5. Depletion in the Ozone layer is caused by
  3. 7. father of evolution
  4. 8. The study of weather
  5. 9. concentration of which gas is highest in our environment
  6. 10. Living beings which produce lights
Down
  1. 1. Organisms living at water depths greater than 4000 m
  2. 2. instrument used to detect earthquakes
  3. 3. group of organisms which convert light into food
  4. 6. very small plants and animals living in water