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.
A habitable zone (HZ) in astronomy is a region of space where conditions are best for life to form as on Earth. Planets in these areas are the most likely to have extraterrestrial life. The habitable zone may also be called the life zone, comfort zone, green belt or Goldilocks zone. One in five stars have an Earth-sized planet in the habitable zone. However, it is not known what proportion would have conditions suitable for life.