Class VII

Percentage of Earth surface which is covered by oceans and seas is
  1. 50%
  2. 65%
  3. 85%
  4. 97%
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
onsidering climate change, decrease in temperature leads to
  1. lower evaporation
  2. hailstorms
  3. snowfall
  4. higher evaporation
. Examples of water catchment area includes
  1. . Examples of water catchment area includes
  2. reservoir
  3. river system
  4. all of above
Reclaimed water which have gone through initial stages of purification can be used for
  1. drinking
  2. agriculture
  3. industrial purposes
  4. both b and c
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