Class VII

Careful management of water catchment areas results in
  1. more desertification
  2. more deforestation
  3. less waste of water
  4. more waste of water
Methods used for desalination are
  1. membrane filtration
  2. distillation
  3. cloud seeding
  4. both a and b
Climate change leads to higher temperatures which results in
  1. lower moisture of soil
  2. faster evaporation
  3. higher water demand
  4. all of above
China, Japan and South Korea are countries in region
  1. North America
  2. East Europe
  3. East Asia
  4. West Asia
Industrial revolution started in
  1. China
  2. Britain
  3. Germany
  4. US
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