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How to pronounce "paleozoic"

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In the late Paleozoic, we think it was about 32% Oxygen

Why Aren't There Giant Insects

Duration: 4s Details

In the late Paleozoic, atmospheric Oxygen rose to well above what it is today,

Why Aren't There Giant Insects

Duration: 7s Details

you have to find the really, really old rocks of the Paleozoic --

ted-talks_2484_KennethLacovara_2016-320k

Duration: 4s Details