Life and death abound beneath the waves. Some find beauty beyond imagination. Others find the detritus of the human experience. It often depends upon just what it is they are looking for. Jacques Cousteau was justifiably astounded by what he'd found.
they look for precious things like pearls and also remains of ships and gold and other cargo that could have remained on a sunken freight ship.
An abundance of fish, coral, marine life, etc. Look up specific dive locations for more info.
The collective noun is a bubble of scuba divers.
scuba divers
Many people use a SCUBA suit for diving. Sport divers, police divers and some Navy recovery divers.
Free divers do but scuba divers do not need to. Scuba divers take their air with them and would have no need to hyperventilate.
They swim
seebees
Scuba Divers use a Sonar to find treasure or a hidden ship.
In the Water....
scuba divers
Many scuba stores sell scuba diving cameras. Check a scuba gear stores in your area. This will allow you to compare cameras and get advise from fellow scuba divers.
Scuba - self contained underwater breathing apparatus
Scuba Bob's Ocean Quest - 2006 Fearless Divers Scuba Rangers 2-7 was released on: USA: 2007