1 Understanding a Photosynthesis Diagram Photosynthesis is a process by which plants convert the radiant energy of sunlight into chemical energy that can be used by themselves to power their lives. 2  A diagram of photâ¦.
U-Boat Crew. The crew numbers aboard a U-boat varied greatly between different U-boat types and the mission it was undertaking. A Type II U-boat comprised of 25 officers and seamen, while a Type VII housed approximately 45. A Type IX had about 50 and Type XXI had a 57 man crew. Sometimes U-boats carried specialist crews on special missions, such as scientists, spies or commandos.
All 129 men on board were killed, and it remains the worldâs worst submarine. disaster. Top left, a view of the sonar dome wreckage and above, a view of the subâs upper rudder. 20 Navy Times April 8, 2013. What sank the Thresher. the Thresherâs sinking and that it.