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It is a ridiculous analogy tho'. What do humans know about the air we breathe? Well quite a lot actually. What do humans know about the ground we walk on? Ditto.



And what did we know about air before the 1500s or so - for the last 50 millennia?


Without wanting to sound harsh, but we knew it existed and that one could not live without it.


From studying sediments and vegetation - quite a lot actually.




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