I found this on a website, and lets just say that it's one of the biggest FAILS I've ever come across. Clearly whoever made this has never learned about the Water Cycle, *facedesk*
Credit: link"The amount of water on earth is 1.386x10^21 liters.
Lets assume that people will only use 2 liters of water per day. This is a lot less than people actually use, but for simplicity we'll only take the optimal drinking quantity per day.
There are 6 billion people on earth (closer to 7 billion, but let's be generous to the atheists). This means that we drink 12 billion liters of water per day. (12x10^9 liters)...
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