What is a submarine?
Q: What is a submarine?
A: A submarine is a vessel that goes underwater.
Q: What are most large submarines used for?
A: Most large submarines are used as war vessels.
Q: What are small submarines used for?
A: Small submarines are often used for scientific or business purposes.
Q: What are small submarines commonly called?
A: Small submarines are commonly called "submersibles".
Q: Can small submarines go far or stay long away from base?
A: No, small submarines cannot go far or stay long away from base.
Q: Are submarines considered boats or ships?
A: Submarines are considered boats, not ships.
Q: Why do some people buy their own submarines?
A: Some people buy their own submarines to explore under the sea.