Class VII

Percentage of land which is habitable and arable is
  1. 10%
  2. 12%
  3. 30%
  4. 50%
Term used for buildings that are build close to one another for reducing usage of land is called
  1. decreasing capita space
  2. increasing capita space
  3. increasing density
  4. decreasing density
. Palm Islands in Dubai and Kansai International Airport in Japan are examples of
  1. desalination
  2. cloud reclamation
  3. water reclamation
  4. land reclamation
Abandoned land that is not good for cultivation anymore is classified as
  1. catchment land
  2. dykes
  3. derelict land
  4. polder
. Intensive cultivation on land by which soil fertility is destroyed and lost is called
  1. desertification of land
  2. cloud seeding of land
  3. catchment of land
  4. over cultivation of land
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