Why are the andes mountains in south america often studied?

a. the andes mountains are home to
thousands of diverse people.

b. the andes are difficult to cultivate and yet have produced excellent farms for centuries.

c. the andes contain the most extreme variations in landscape, vegetation and climate of any mountain group in the world.

d. the andes are home to many international research groups and universities.

The answer is C.

The Andes are huge and run along the whole western side of the South American continent. They have an enormous amount of landscapes, flora, fauna when compared to other mountain ranges in the world. There are more than 150 active volcanoes there. many endangered species of animals and plants live and grow there.

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