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.
Tanzaniaâs Mount Kilimanjaro, at 19,340 ft (5,895 m) above sea level, is Africaâs highest elevation point. Kilimanjaro rises from 2,297 ft (700 m) above sea level to its highest peak in a relatively confined space, which stretches from east to west about 53 mi (85 km) and from north to south about 50 mi (80 km).