Geog-set-4

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Across
  1. 1. mixed rainwater with pollutants in the air and comes down as ____
  2. 6. is a short woody plants, bushes
  3. 7. Under the canopy is the dark layer called ______ layer
  4. 8. the code used to for speaking to people living in other countries (short form)
  5. 11. the longitude passes through 0 degree is known as _____
  6. 12. the code used to for speaking to people living in other cities (long form)
  7. 14. sump, wet, soft and spongy ground
  8. 16. a chemical substance used for killing pests
  9. 19. a specific code consisting of dots and dashes
  10. 20. topmost layer of the trees in tropical forests
Down
  1. 2. Prime Meridian passes through the ________ in Greenwich, England
  2. 3. imaginary lines that run around the earth in north-south direction
  3. 4. The action of building something, typically a large structure
  4. 5. a large steep hill, having poor network of roads
  5. 9. the longitude passes through 0 degree is known as _____
  6. 10. one of the fastest ways of communication
  7. 13. Pollution harms our lungs and causes shortness of breath
  8. 15. plantlife, greenery
  9. 17. umbrella-like layer that allows very little sunlight to penetrate the lower layer
  10. 18. areas of fairly level high ground, upland