Environment

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Across
  1. 3. life giving gas.
  2. 5. Blanket of air around the earth.
  3. 6. Precipitation in liquid form.
  4. 7. mixture of many gases.
  5. 11. Low pressure area.
  6. 13. Incoming solar radiation.
  7. 14. gas present in atmosphere occupying only 0.03% by volume.
  8. 15. An Indian tree having extraordinary quality of providig oxygen round the clock.
  9. 16. Gas protecting us from harmful sunrays.
  10. 17. An Indian tree valued highly for medicinal properties.
  11. 18. Instrument to measure pressure.
Down
  1. 1. Reduces visibility in winters.
  2. 2. Short term changes in atmosphere.
  3. 4. Amount of water vapour in air.
  4. 8. Condensation of water vapours around dust particles in atmosphere.
  5. 9. air in motion.
  6. 10. Example of local wind blowing in summer in northern India.
  7. 12. outermost layer of atmosphere.
  8. 17. It is ...... time when sun is overhead.