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MiloTockandtheHumbug t1_jab5p0o wrote

Not necessarily. There are many chemical processes that destroy and create water. Burning wood or fossil fuels, for example, creates water as well as CO2. Photosynthesis breaks water and CO2 molecules apart and recombines them into sugar. Our own bodies are constantly performing both hydrolysis and dehydration reactions, which means that you may be secreting water molecules that are only a few seconds old.

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Haarunen OP t1_jabmg2r wrote

But isn’t there studies saying that 30%-50% of water predates the sun

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MiloTockandtheHumbug t1_jacb606 wrote

That's not what you said. You made a blanket, absolute statement. I pointed out that the age of the water we drink is not absolute, it varies considerably.

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