Answer:
I think it's Why do countries sustain growth in the long run?
Explanation:
Answer:
the Andes is the primary mountain range in South America
Plain - flat or Rolling Land with few changes in elevation
One type of weathering is man made weathering. (For example) Humans may carve a rock or mine for minerals. Another type is natural weathering. This is when a river may push a rock or lighting may scratch a tree. That weathering is naturally occurring. Hope that helped!