This is an opinionated question...
study submarine procedures and sleep
The submarine is manned by the crew, and crew members are called submariners.
A submarine is kept at, or close to, surface air pressure.
Actually the submarine will not kill any one, but the rockets and torpedo launched from the submarine kill the people.
i think you mean the 'periscope'.
i think its two but im not sure
A submarine.. I don't think that's a very funny joke. Is it a submarine?
ummmm i think its a sailor!
370 feet. At least that is what I think.
The USS Nautilus, I think :)
i think a submarine can stay underwater indefinetly but a submersible can only stay down for a limited time.
The Sea people