Explanation:

The Andes of South America, stretching for a distance of 7000 km, is the longest mountain chain in the world.The Andes, running along South America's western side, is among the world's longest mountain ranges. Its varied terrain encompasses glaciers, volcanoes, grassland, desert, lakes and forest. The mountains shelter pre-Columbian archaeological sites and wildlife including chinchillas and condors. From Venezuela in the north, the range passes through Colombia, Ecuador, Peru, Bolivia, Argentina and Chile.