They pull it out of the water, doesn't everyone know this?
They pull it out of the water, doesn't everyone know this?
Now they just hold their breath for a really long time.
What happens to all the expelled carbon dioxide in a closed environment, they just go up for air every few minutes like a whale?
Now they just hold their breath for a really long time.
What happens to all the expelled carbon dioxide in a closed environment, they just go up for air every few minutes like a whale?
that's pretty much. Probly more like hours or days though
that's pretty much[ one option](https://www.youtube.com/watch?v=SobV1yIY7t0&t=29s). Probly more like hours or days though
Watch the video, it explains how they clean the air.
Watch the video, it explains how they clean the air.
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