In peru and bolivia, many people in the higher altitudes.
a. grow coffee
c. herd llamas and alpacas
b. starve
d. drill oil

The believe that the best answer among the choices provided by the question is the third choice, c. herd llamas and alpacas.
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a. grow coffee

Explanation:

The coffee is a pant that needs a highland and slope type environment where the excess water can drain easily. The coffees are a principal cash crop and gas the second most important crop was the 20,000-acre land is devoted to the plantation in Bolivia. The International Coffee Organisation, ICO is the organization that takes care of the coffee-producing and the distribution in bolivia.

The area they r in. this  the answer.