coming from the regulator the hose needs to be placed under the right arm in a position that is reasonably easy to reach by the right hand.
no clue seriously
A good diving place is harvard
An alternate setting is one that is used when the initial setting is not in use or not available. The preferredis the initial but sometimes an alternate is used in its place.
in Mexico next to the gulf of Mexico
In a tiny country in the middle east called Bahrain
45 miles long and 10 miles wide and there is a diving place shoppe where you can go snorkeling and scuba diving but it is in a remote place. :-) Enjoy!
They have their place if you are diving in a dry suit for an extended time. If you are diving in a wet suit they would not be needed for obvious reasons. Scuba diving can dehydrate you from breathing the dry air in the scuba cylinders, so hydration is a must.
Scuba diving
archery swimming diving
Depends on the store, or place
Without a doubt, the ocean is the very best place to scuba.
Where you can get scuda diving lessons depends on where you live. If you live somewhere close to a place that offers scuba diving those places will offer lessons. Some colleges that have swimming pools also offer scuba diving lessons.