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.
The South Korean navy has 68,000 personnel with 12 submarines, 22 destroyers and frigates, 21 corvettes, and 84 patrol vessels. But raw numbers don't tell the whole story. Most of North Korea's equipment is very old. Its main warships and warplanes date back to the 1970s and, in some cases, even the '50s.