Birdwatch Note Rating
2024-07-07 01:24:17 UTC - HELPFUL
Rated by Participant: 403366CAFFB8B0F59AC70304F5E1D2C02A4A45A8F276E34D095DC410C910C26C
Participant Details
Original Note:
A diver takes a breath and exhales all the compressed air (not pure oxygen) so tanks decline in pressure per breath volume. https://en.wikipedia.org/wiki/Scuba_diving A space suit scrubs CO₂ from exhaled breath (which still contains plenty of O₂) which is then rebreathed increasing the O₂ supply's duration. https://www.nasa.gov/wp-content/uploads/static/history/alsj/ALSJ-FlightPLSS.pdf
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