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Strange Universe With Bob Berman

Strange Universe 06/14/20

Earth from space

Now that warm weather is here, we're leaving windows open, which brings up the topic of our planet’s atmosphere. 

The air is 78% nitrogen and 21% oxygen, which leaves just one percent for everything else. Very few know that this is almost entirely argon – an inert gas our body has no use for. 

More interesting is the air’s tiny bit of carbon dioxide, since climate change has made it into a villain.

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