kik7is0ashanna kik7is0ashanna
  • 23-03-2017
  • Social Studies
contestada

Potable water is in short supply in many countries. to address this need

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wendy40
wendy40 wendy40
  • 30-03-2017
we must improve water catchment and storage facilities, whilst alsodeveloping more cost effective water cleaning units, such as sterilisation and desalination.
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