Science STD 6 CH 14 water
Click here 4 science solution of STD 6 CH 14 water
water is a very valuable source on earth.........we can get water from many sources....... as like wells, rivers, ponds, and others..... main source of water is rain so we must occupy and harvest rain water...... rain water is heavy water it does not contains any dust particles its a clean water.... but when it comes on the earth from sky so many dust particles it comes with thus it becomes polluted..............
water contains one molecule of oxygen and two molecule of hydrogen.....
it is price less
it is smell less
it is precious
it is tasteless
it is atom
save water..... save earth... save earth save humankind........... water is not just a water its a life....
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