water is the only substance found on earth naturally in three forms

how much of the earth's surface is water?

Of all the earth's water, how much is ocean or seas?

How long can a person live without water?

how much water does an individual use daily?

what percentage of the nation's community water supplies are investor-owned?

how much does one gallon of water weigh?

How much water is used currently to flush toilets?

How much water in a 5 minute shower?

What is the weight of water in one cubic foot?

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