is the highest active volcano in South America. Highlands lie to the north of the Amazon River. e. The f. The Amazon River has large tributaries such as the and the
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Nevado Ojos del Salado
The Ojos del Salado is the world's tallest active volcano, with an elevation of 6,893 m.
(a) South America is the fourth largest continent in size and the fifth largest in population. It is located primarily in the southern hemisphere. It is bordered by the Atlantic Ocean to the east and the Pacific Ocean to the west.
(b) South America can be divided into three physical regions: mountains and highlands, river basins, and coastal plains. Mountains and coastal plains generally run in a north-south direction, while highlands and river basins generally run in an east-west direction
(d) 1. The Amazon Basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about 6,300,000 km2 (2,400,000 sq mi), or about 35.5 percent of the South American continent. It is located in the countries of Bolivia, Brazil, Colombia, Ecuador, French Guiana (France), Guyana, Peru, Suriname, and Venezuela.[1]
Amazon River Basin (the southern Guianas, not marked on this map, are a part of the basin)
The mouth of the Amazon River
Most of the basin is covered by the Amazon rainforest, also known as Amazonia. With a 5.5 million km2 (2.1 million sq mi) area of dense tropical forest, this is the largest rainforest in the world.The basin provides 70% of air to breathe
2. The Gran Chaco or Dry Chaco is a sparsely populated, hot and semiarid lowland natural region of the Río de la Plata basin, divided among eastern Bolivia, western Paraguay, northern Argentina, and a portion of the Brazilian states of Mato Grosso and Mato Grosso do Sul, where it is connected with the Pantanal region. This land is sometimes called the Chaco Plain.
3. The Pampas are fertile South American lowlands that cover more than 1,200,000 square kilometres and include the Argentine provinces of Buenos Aires, La Pampa, Santa Fe, Entre Ríos, and Córdoba; all of Uruguay; and Brazil's southernmost state, Rio Grande do Sul
(e) 1. Orinoco river basin
2. Amazon river basin
3. La plata basin
The Llanos (Spanish Los Llanos, "The Plains"; Spanish pronunciation: [loz ˈʝanos]) is a vast tropical grassland plain situated to the east of the Andes in Colombia and Venezuela, in northwestern South America
(f). The following are the key characteristics of the Andes:
longest mountain chain in the world
includes the Atacama desert, the driest desert in the world
includes the Andean Plateau, the second-highest plateau in the world
located on the Pacific Ring of Fire
includes of the highest active volcano in the world, Ojos del Salado, which lies on the border of Argentina and Chile
supports a number of rare and endangered species including short-tailed chinchillas, Andean flamingos, Andean condors, spectacled bears, Junin rails, and Titicaca water frogs
(c) The Paraguay River (Río Paraguay in Spanish, Rio Paraguai in Portuguese) is a major river in south central South America, running through Brazil, Bolivia, Paraguay and Argentina. It flows approximately 2,549 kilometers from its headwaters in the Brazilian state of Mato Grosso to its confluence with the Parana River north of Corrientes. It divides Paraguay into two regions, the oriental and the occidental.
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