Answer:
(3) Alvin is the submersible that has been used for deep sea research.
Explanation:
Alvin is a deep sea research submersible that is owned by the united states navy.
It is used by the united states for deep sea research.
This submersible is run by woods holes oceanographic institution.
Alvin was built by General mills.
The submercible has made more than 4400 dives carrying two pilots and one scientist to conduct undersea research.
