Which of the following provided evidence of year-round habitation at altitude at te Soro Mik'aya Patjxa site? a. Tools were made from local materials (not imported from a lower elevation) b. Chemical analyses of human remains showed that they did not travel widely c. Rock art showing permanent settlements in the Altiplano from that time d. Bioarchaeological evidence of altitude sickness on the skeletons

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Terrestrial Ecosystem

An ecosystem is a collection of interconnected communities. It includes both living and non-living elements of specific strata. The terrestrial ecosystem is solely related to the ecosystem present on the land and covers 25 to 30% of the total earth’s surface area.