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.
Tide pools, estuaries, mangrove swamps and rocky coastal areas are all part of the intertidal zone. Neritic zone. The water above the continental shelf is the neritic zone. Underwater forest of kelp and grassy meadows of sea grass are home to tiny fish, green turtles, sea cows, seahorses and tiny shrimp.oral reefs have thousands of animals and plants that live in the waters of the neritic zone. Open ocean zone. The open ocean zone lies beyond the continental slope and contains 65% of the water in the oceans. This zone is divided further into three subzones.