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Erin Scronce |

Source: Source International, www.source-international.org. Cerro de Pasco sits in the middle of the Peruvian Andes, at 4, 300 meters above sea…

Norman Loayza, Jamele Rigolini |

Evaluate the following statements according to whether they are “not at all true”, “hardly true”, “moderately true” or “exactly true”: I can always manage to solve difficult problems if I try hard…

Maira Reimao |