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.
The candle flame has 4 zones from innermost to outermost: 1)Blue zone: It is near the base of the flame. Here the fresh air rapidly mixes with was vapour formed from the molt â¦ en wax.A part of wax vapour completely burns and gives rise to blue flame.uminous zone or zone of incomplete â¦ combustion   c. Dark zone or zone of no combustion   d. Blue zone. 4 people found this useful. 1  Candle Waxing and How It Can Help You Every year, thousands of people visit the doctor for problems with their ears.