Eli5 How is water renewable?

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Every bit of information I find just talks about water cycling through its different states of matter, I’m aware that water evaporates then rains and returns to the earth but none of them say at which point more water is actually produced or how. Is it actually renewable or is it the concept that there are other sources such as ice and humidity that can keep refilling our supply?

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Anonymous 0 Comments

How do you think it is being used up? If you are talking about a steam engine, the water only changes states. If you are talking about something like electrolysis, then the H2 and O2 produced will eventually recombine to form water.

In our ionosphere, there is enough energy for the reaction to happen spontaneously.

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