Answer:
The Andes Mountains
Step-by-step explanation:
The mountains cross through Ecuador, Peru, and Bolivia. It goes from Venezuela all the way to Chile. ( Colombia, Ecuador, Peru, Bolivia, and Argentina are withing the span of the mountains). The Pampas and the Amazon rain forest lie right next to the mountains as well.
(I hope this helps answer your question! It took a few tries to find the correct information!)
:)