Introduced undersea warfare. They were used by the Germans to destroy British ships.
All submarines can sink. Some can return to the surface.
submarines change the behavior of some whales but they do not harm whales
Neither pros and cons: Russia pros: most nukes Well trained army Submarines Cons: old tanks America pros: advanced tanks a lot of soldiers America cons: horrible training not a lot of nukes you decide
There r no pros
Submarines
There are really some good pros of an escalator they are that people use them
It depends on the real question. If meant literally, then yes, women are allowed on submarines. They can visit some submarines. If the question is, "Are women allowed to serve/work on submarines?" then it depends on the country. In the Royal Navy (UK) they are not allowed to serve at present. The United States, however, is gearing up to allow some women officers to serve aboard U.S. Navy nuclear submarines.
Submarines probably can't be seen, but we might find them with sonar, or possibly with a magnetic anomaly detector of some kind.
Most submarines now have a single nuclear reactor. Some smaller, coastal submarines have a single diesel.
There are none. There are no pros to either drugs or gangs.
There are no pros or cons. It is a neutral holiday.