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What would really happen if Earth suddenly lost all oxygen — even for just 5 seconds?

In this video, we break down the real science behind what would happen to:
• Humans and animals
• Air pressure and the sky
• Airplanes, cars, and fires
• Buildings, oceans, and Earth’s surface

This isn’t science fiction or exaggeration. Scientists know oxygen makes up 21% of Earth’s atmosphere and nearly half of Earth’s crust — removing it, even briefly, would trigger a chain reaction unlike anything humanity has ever seen.

Watch until the end to see what happens when oxygen suddenly returns — and why the damage wouldn’t simply reset.

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