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[–] 17 points 1 month ago* (3 children)

Annual petrol usage by cars: ~1.5 x 10^12 litres.

Amount of water on Earth's surface: 1.386 x 10^21 litres.

Percentage of water used annually: 0.0000001%

Number of years to deplete all water on earth's surface: 1 x 10^9 years, aka 1 billion years.

Minus a few million if we're driving yo momma around.

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