1) The water in this natural resources is saline - a) RIVERS b) UNDERGROUND WATER c) OCEANS d) STREAMS 2) Name the source of fresh water on earth . a) Water falls b) Rain c) Lakes d) Ponds 3) Using water judiciously and saving it for future is called _____________.  a) Water Pollution b) Water Reservation c) Water conservation d) Water contamination 4) Which out of the given options is a natural source of water ? a) b) c) d) 5) How can we clean water? Choose the odd one out- a) By boiling it . b) By using water filters c) By adding sand in it. d) By adding chlorine in it .

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