2024-07-06 00:14:34
A diver takes a breath and exhales all the compressed air (not pure oxygen) so tanks decline in pressure per breath volume. [Link] A space suit scrubs CO₂ from exhaled breath (which still contains plenty of O₂) which is then rebreathed increasing the O₂ supply's duration. [Link] CURRENTLY_RATED_HELPFUL(27-1-1) Author
2024-07-08 05:27:13
A scuba diver breathes usually compressed air and not oxygen. You can read "Air" on one of the diver tanks. [Link] 22 hours was the total time of the moonwalks of the Apollo 17 mission. The picture is misleading. [Link] NEEDS_MORE_RATINGS(0-0-0) Author