South America-The guinea pig was first domesticated around 2000 BC in the Andes on the western side of South America, in a region which is now covered by Peru and Bolivia. They were originally bred for food, but some may have been kept family pets for children.
Answer from: Quest
Three reasons of the deaths of native americans: new illnesses that their immune systems couldn't cope with. genocides so the settlers could have the good land.starvation from lack of rations and poor infertile land on resevations
In many humans, exposing the skin to sunlight over prolonged periods of time results in the production of more pigment by the skin cells (tanning). this change in skin color provides evidence that -