Water - Water Everywhere, But Not a Drop To Spare!

Water - Water Everywhere, But Not a Drop To Spare!: "Some 70% of the world's surface is covered by water but out of 1.4 billion square km of it - 97.5% is salt water and only 2.5% is fresh. If we could squeeze all the world's water into a five-liter canister, fresh water would not fill in even a teaspoon.

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