The air diver enters the water at 11:37 a.m. and dives to 130 feet for eight minutes. The nitrox/computer diver enters the water at the same time and dives to 132 feet for 11 minutes. Surface Interval ...
The gray seal (scientific name Halichoerus grypus) is also known for its excellent diving ability. It usually dives easily for about 20 minutes and can dive for up to one hour. While the ability to ...
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