This happens because the temperature at which oxygen changes from a gas to a liquid is about 13 degrees Celsius above that of nitrogen. The oxygen can be seen dripping from the can just as on a humid day you can see drops of water condense and drip from a can you take from the refrigerator.
Though you technically can join the military up to age 42, if you're 35 or over you'll need an age waiver if you've never been in the military before.
Age Requirements. To join the Navy without your parentsâ consent as an enlisted member you must be at least 18 years old. The youngest you can be to enlist in the Navy with your parentsâ consent is 17. You cannot be older than 34. Should you enter a Navy officer program the youngest you can be is 19; the oldest you can be is 35.