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.
Verb. 1. submarine-move forward or under in a sliding motion; The child was injured when he submarined under the safety belt of the car. slide, slew, slue, slip, skid-move obliquely or sideways, usually in an uncontrolled manner; the wheels skidded against the sidewalk.n this spot there is a submarine valley worn by Humboldt's current, which skirts the coast of America as far as the Straits of Magellan.