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generation_chaos t1_jab064p wrote

Since everything came from the big bang, they are technically the same age

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Haarunen OP t1_jab0owg wrote

If we think of it like that, then single molecule of water can be classified as water, but a single molecule of dirt can’t be classified as the earth.

My point though was that the water we drink has been water for far longer than the earth has been the earth.

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bendvis t1_jab5wld wrote

Not necessarily. The hydrogen and oxygen in water get separated and recombined all the time. It happens during photosynthesis, at high temperatures, when water is exposed to certain kinds of radiation, and all kinds of other natural processes.

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Haarunen OP t1_jabmh1v wrote

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

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