Geography-Grade 7th

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Across
  1. 2. Life giving gas
  2. 4. Instrument used to measure pressure
  3. 9. The gas present in the atmosphere occupying only 0.03%
  4. 13. The gas protecting us from the harmful sun rays
  5. 14. water vapour and dust particles are found in this layer of the atmosphere
  6. 16. An India tree valued for it's medicinal properties
  7. 17. Blanker of air around the earth
  8. 18. Precipitation in liquid form
  9. 20. Average weather conditions for a long period over a large area
Down
  1. 1. Outermost layer of the atmosphere
  2. 3. Jet planes fly in this layer of the atmosphere
  3. 5. short term change in atmosphere
  4. 6. Condensation of water vapour around dust particles in the atmosphere
  5. 7. A low pressure area
  6. 8. The gas required by plants for growth
  7. 10. Local wind blowing during summers in Northern India
  8. 11. An Indian tree having extraordinary quality of providing oxygen
  9. 12. Air that moves horizontally
  10. 15. Amount of water vapour in air
  11. 19. Incoming Solar radiations received by earth's surface