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.
Report Abuse. In the British Army: The minimum you can spend in the army is about 4 years The age range to apply for the army is 16-36, but the maximum age may be slightly lower for some jobs And i believe you get paid on the the last working day of each month but that may be wrong.