In south america, five main indicate the majority ethnic groups and the main economic activities.

The answer is five main cultural regions. These five regions are the following:

1.       Tropical Plantation – this found in the north and east coast of South America.

2.       Rural Amerindian Region – Ecuador, Peru and Bolivia are the countries included here.

3.       Amazon Basin – This is the home to isolated Amerindian groups.

4.       Mixed Mestizo Region – this included the coastal area of the west and the interior highlands of the north and east.

5.       European Commercial Region – Also known as the southern cone. This includes Chile, Uruguay, Chile, and some parts of Brazil.

These five regions provide a basic understanding of the whole South American Continent. 

for e2020. the answer would be some directions from the mountain range so we can find mt. whitney. to locate which direction is north, you should use a   compass. this would not only find mt. whitney, but also becuase of this long paragraph you would get points because it's not like anyone actually reads your work becuase once they read the first sentence it sounds dumb enough to not read becuase i'm not good at answering this but the answer is compass for your benefit.

for e2020 ; -;