What does the “S” in scuba stand for?

Here is the question :

WHAT DOES THE “S” IN SCUBA STAND FOR?

Here is the option for the question :

• Self-contained
• Submarine
• Snorkel
• Safety

The Answer:

And, the answer for the the question is :

Explanation:

[STC0018770]. Scuba stands for’self-contained underwater breathing apparatus.’