1.Geologists use the latest technology such as satellite surveys and geochemistry to locate an ore deposit. 2.Computers are used to design the mine which requires precise and accurate measurement of the ore...
In 1519, Hernan Cortes and his conquistadores, about 500 men with 16 horses, set sail for present day Mexico. In two years they defeated Montezuma and the Aztec Empire. Hernan Cortes was born in Spain in the...