A: Styrofoam does not decompose in the environment under normal circumstances. Much like plastic, Styrofoam is made from a polystyrene-based petroleum product that is not biodegradable. Plastic takes hundreds of years to decompose, and Styrofoam takes much longer because it is a stronger form of plastic.
View Full Document. Zone of wastage: Is the area in which melting or ablation rates exceed those of snowfall (Fig.2). â¢ The snow line: Is the boundary between the zone of accumulation and that of wastage, and could therefore be defined as the highest level at which winter snow melts in the summer. VI- Internal structure of a glacier.
Raw Materials. The zone of steam took in these from the rest of the world and produced finished products which were then exported by the zone of steam. This illustrates the interdependence of the interconnected global economy that developed in the 19th century.nclosure Movement. This was an aspect of the Agricultural Revolution in which the aristocratic landowners consolidated their land holdings so that they could apply the new techniques and inventions that had been developed and thus make the land more productive.