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.
The airport is at an elevation of 5,348 feet (1,630 m) above mean sea level. It has two asphalt paved runways: 04/22 measuring 3,200 by 45 metres (10,499 ft Ã 148 ft) and 11/29 measuring 1,010 m Ã 23 m (3,314 ft Ã 75 ft).