Of great interest to scientists are the artifacts. In most oceans, ropes and spars are rapidly consumed by oxygenated waters, but in the Black Sea oxygen is entirely absent below depths of 500 feet.
Official websites use .mil A .mil website belongs to an official U.S. Department of Defense organization in the United States ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback