A. About 10% of your body weight plus four pounds when you wear a full wet suit

B. The amount that enables you to hover motionless at a depth of 15 feet when you have about 300 psi of air in your cylinder and no air in your BC

C. The amount that enables you to float at the suface with a full breath and sink when you exhale when your tank is full and your BC is empty

D. Any of the above


The questions and answers for June came from Dennis Graver's 100 Best Scuba Quizzes, Aqua Quest Publications, Inc, New York, 1997.

The Answer is . . .

3. B. The amount that enables you to hover motionless at a depth of 15 feet when you have about 300 psi of air in your cylinder and no air in your BC.
You need to be able to complete a precautionary decompression stop at the end of a dive. If you have to fight to stay down or if you have to rely on a decompression line, you may not complete your stop successfully.