What is the primary type of mining that takes place under the bolivian mountain, cerro rico?

The Bolivian mountain found in the Cerro Rico de Potosi is also known as "the mountain that eats man". This is because many workers had lost their lives  while working in the mines. Silver mining is the primary type of mining that takes place under this mountain. Bolivian mountain is the largest silver mine in the world. 

1. true.2. true.3. true.4. false.5. true.the concept of darwin's theory of evolution involves the idea that there are limited resources in a given living environment and that the organisms which live within have variations in their genetic make up due to random mating. the ones with beneficial genetic variations can express certain traits which give them an upper hand in surviving and reproducing in the said environment compared to ones who may have a more disadvantageous variation in traits. over time, the organisms with an upper hand will survive and reproduce more frequently and pass on their beneficial genes while the others die. the result is evolution, where we observe (usually, but not always) eventually, phenotypic distinct changes.