Water is the only substance found on earth naturally in three forms, soild,liquid, and gas.
66 % of the human body is water
80% of the earth's surface is water
97% of all the earth's water is ocean or seas
The most common substance on earth is water.
2-7 gallons of water is used to flush a toilet
A dairy cow must drink 4 gallons of water to produce one gallon of milk.
In a 100-year period, a water molecule spends 98 years in the ocean, 20 months as ice, about 2 weeks in lakes and rivers, and less than a week in the atmosphere.
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