0_Apprentice
i want to know what is scuba diving
1_Wizard
As you have known it requires water and the diver utilizes  a self-contained underwater breathing apparatus (scuba) which is completely independent of surface supply, to breathe underwater.
0_Apprentice
interesting tell me more about it
1_Wizard
Like i said their apparatus is completely independent of surface supply, hence they  carry their own source of breathing gas
0_Apprentice
how do breathing gas look like does last long
1_Wizard
Well, they use compressed air, allowing them greater independence and freedom of movement. this makes it better for them that  surface-supplied divers
0_Apprentice
okey am eager to know more
1_Wizard
This is the explanation on how they breath. Open circuit scuba systems discharge the breathing gas into the environment as it is exhaled