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.
Minor Red beds Extensive. Figure 1. The Wilson Cycle of the opening and the closing of the ocean basins. Plate tectonic analysis, which requires rigid-body rotations, is not. possible for times before the age of the oldest preserved ocean ï¬oor (â¼180 Mya), but the past operation of plate tectonics can be.