Casement window, with latticed lights. A casement is a window that is attached to its frame by one or more hinges. Casement windows are hinged at the side. Windows hinged at the top are referred to as awning windows, and ones hinged at the bottom are called hoppers.
Open Systems. The ocean is an open system. The ocean is an example of an open system. The ocean is a component of the hydrosphere and the ocean surface represents the interface between the hydrosphere and the atmosphere that lies above. Solar radiation passes through the atmosphere and is absorbed by the ocean.
An ocean is a large expanse of salt water that covers three-quarters of the earthâs surface. It is bounded by the continents, or the equator, and other imaginary lines. The Earthâs seven main oceans are; the Arctic, North Atlantic, South Atlantic, North Pacific, South Pacific, Indian and Antarctic Oceans. These seven main oceans comprise the âworld oceanâ. Sea on the other hand, is a body of salt water that is surrounded by land on all or most sides, or that is part of one of the oceans.