¿Qué relación pueden establecer entre el recurso Coltan, la guerrilla y las empresas multinacionales en ésta región?

Its decreasing because of illnesses

Aregion is an area of land that has common features. these features can be natural, such as climate or landscape. they can also be artificial, such as language or religion. the xinjiang uyghur autonomous region, above, is an area of china inhabited by uyghurs, a muslim group with ethnic ties to turkish people.

The process by weathered rock and mineral particles are removed from one area and transported elsewhere

According to new research, more than 5..5 million deaths are associated with polluted air. hope this : ).