Azerbaijan has water that’s high in methane, so it can catch fire if you put a match on it. And in Sicily, in one of the lakes, there are underwater sources of acid that poison all the water in this reservoir.
The largest cloud of water vapor has been discovered by NASA scientists near a black hole 12 billion light-years from Earth. It contains 140 trillion times more water than the world’s oceans.
A person can live without water for no more than 2-3 days.
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