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.
noun. The definition of submarine is something that occurs or exists under the surface of the water. An animal that lives only below the surface of the sea is an example of a submarine animal.erb. 1  To attack by submarine, especially with torpedoes. 2  Sports To knock down with a blow to the legs. 3  Baseball To pitch (a ball) with a low sidearm or underhand motion.