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Imagine if all the Earth's oxygen disappeared. Not forever, just for, say, an hour? Could you hold your breath that long? What would happen to the atmosphere? And could the Earth ever recover from this planet-wide suffocation? What will the lack of oxygen do to your inner ear? Will the ozone layer disappear?

Transcript and sources:

00:00 Say goodbye to breathable air.
00:36 No oxygen for an entire hour.
01:46 What will the rapid decrease in oxygen do to you?
03:05 Buildings and metal being affected by lack of oxygen.

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