Which of the following has had the greatest impact on South America's physical geography? Group of answer choices

its position between the Atlantic and Pacific Oceans

its numerous, large water systems

the heavy tectonic activity in the area

its many mountain systems

the heavy tectonic activity in the area

Explanation:

"The heavy tectonic activity in the area" had the greatest impact on South America's physical geography. This is true because the heavy activity of the tectonic in the area such as plate motions resulted in the formation of mountains and oceans in South America.

For example, the formation of the massive Andes Mountains and the formation of various volcanoes resulted from heavy activity of the tectonic in the area.

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