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MBD-WATER-EXAMPLE
- Write two techniques of harvesting water.
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- What is rain water harvesting ?
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- Why is a sea water not used for drinking?
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- How do sea/ocean water reaches in ponds, lakes, wells etc. ?
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- Do plants help in loss of water ?
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- Show with an experiment that air contains water vapours.
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- In winter,dew drops are seen on the grass in the morning .What is caus...
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- How do rain water help in increase of ground water ?
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- Rain water get wasted in some areas.Which are they ?Why does it happen...
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- Explain different sources of water.
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- What are techniques of harvesting rain water ? Explain them .
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- Water cycle is a ............. process.
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- About .............. litres of water is transpired by wheat plants to ...
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- Excess rains are cause of ....................... .
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- About...............of earth is covered with water.
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- The vast quantity of water is available in-
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- The process of change of water into its vapours is called :
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- The process of changiing water vapours into water droplets is called-
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- We use water in-
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- Saline water is found in-
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