A. The Andes
B. The Alps
C. Karakoram
D. None of these
Submitted by: ABDUL RASHEED JAKHRANI
The Longest Mountain Chains In The World.
1. Andes 7,000 km (4,350 mi)
2. Southern Great Escarpment 5,000 km (3,100 mi)
3. Rocky Mountains 4,800 km (3,000 mi)
4. Transantarctic Mountains 3,542 km (2,200 mi)