The zone of proximal development, often abbreviated as ZPD, is the difference between what a learner can do without help and what he or she cannot do. It is a concept introduced, yet not fully developed, by Soviet psychologist Lev Vygotsky (1896â1934) during the last ten years of his life.
Report Abuse. 1  Baguio City Elevation. 2  The city is at an altitude of approximately 1500 meters (5100 ft) in a moist tropical pine forest conducive to the growth of mossy plants and orchids. 3  It is over 5,00Today: Cloudy with showers.  try yahoo weather.
According to the 2015 census, Baguio has a population of 345,366. Baguio was established as a hill station by the Americans in 1900 at the site of an Ibaloi village known as Kafagway. It was the United States' only hill station in Asia. The name of the city is derived from bagiw, the Ibaloi word for moss.