What is the least explored part of the earth?
a. the ocean floor
b. the sahara desert
c. the amazon rainforest
d. the himalayan mountains

Migrant workers who fill employment needs in their host country often send remittances to their home countries

What is a problem natives in both bolivia and peru face? a. extreme poverty c. discrimination b. limited access to resources d. all of the above

Quais são as consequencias (positivas e negativas) da extração dos minerais metálicos