Undulation of surface water of sea by alternate crest & trough is called wave. The Dynamic Parameters of Wave in Ocean water discuss below-
Theories of City Structure-Concentric Zone Theory Introduction: The Concentric or Zonal Theory of urban landuse was first proposed in 1923 by E.W. Burgess. He was a sociologist. The idea behind the concentric model is that the development of a city takes place outwards from its central area in a series of concentric circles to form zones. Assumption: i. Cultural & social heterogeneity of the population. ii. Commercial-industrial base to the economy of the city. iii. Private ownership of property & economic competition for space. iv. Expanding area & population of the city. v. ...
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