World Longest mountain range is__________?

A. Himalya
B. Hindu kush
C. Andes
D. Kunlun

The world’s longest above-water mountain range is the Andes, about 7,000 km (4,300 mi) long. The range stretches from north to south through seven countries in South America, along the west coast of the continent: Venezuela, Colombia, Ecuador, Peru, Bolivia, Chile, and Argentina.