By David A. Longanecker. Executive Director, Western Interstate Commission for Higher Education. Although the federal government plays a secondary role in supporting and financing American higher education, this role remains quite substantial and clearly helps shape the enterprise.
The Orinoco is one of the longest rivers in South America at 2,140 kilometres (1,330 mi). Its drainage basin, sometimes called the Orinoquia, covers 880,000 square kilometres (340,000 sq mi), with 76.3 percent of it in Venezuela and the remainder in Colombia.he Orinoco delta, and tributaries in the eastern llanos such as the Apure and Meta, were explored in the 16th century by German expeditions under Ambrosius Ehinger and his successors. In 1531 Diego de Ordaz, starting at the principal outlet in the delta, the Boca de Navios, sailed up the river to the Meta.
The Orinoco drainage basin. For 250 km, the Orinoco River serves as a boundary between Colombia and Venezuela. Its drainage basin comprises the Arauca River, Meta, Vichada and Guaviare Rivers.The Amazon drainage basin. The Amazon River is considered to be the second most important river in the world.his drainage basin is the most important one from an economic point of view. The Pacific: The drainage basin that feeds into the Pacific, consists of more than 200 rivers. The most important are the Baudo, baudÃ³ The San, juan The patia and The Mira. Rivers The orinoco drainage. basin