Examen de Inglés de Aragón (EvAU de 2017)
| Comunidad Autónoma | Aragón |
|---|---|
| Asignatura | Inglés |
| Convocatoria | Extraordinaria de 2017 |
| Fase | Acceso |
Temas mencionados new_releases
Coltan (short for columbite–tantalite and known industrially as tantalite) is a dull black metallic ore from which the elements niobium and tantalum are extracted. The niobium-dominant mineral in coltan is columbite (after niobium's original American name, columbium), and the tantalum-dominant mineral is tantalite.
Fuente: wikipedia.org
Fairphone is a social enterprise company which aims to develop smartphones that are designed and produced with minimal harm to people and the planet. The company is based in Amsterdam, Netherlands and was supported in its startup phase by the , a foundation which aims to foster experimentation with new technologies, art and culture. The main motivations for founding Fairphone were to develop a mobile device that does not contain conflict minerals (which in smartphones are typically gold, tin, tantalum and tungsten), has fair labor conditions for the workforce along the supply chain producing i…
Fuente: wikipedia.org
