Quando os europeus desembarcaram na América, o continente já era habitado por vários povos nativos que foram chamados de índios ou , alguns desses povos apresentavam avançadas técnicas agrícolas, conhecimento astronômico, arquitetônico, matemático e considerável organização social. Entre os povos que se destacavam estão os , os e os , povos estes que, foram dizimados após o contato com os europeus devido a intensas e até mesmo por trazidas pelos europeus.

Which theory suggested that the earth was once a signle supercontient that gradually that broke up into the contients that we know today

Rocks that contain crystals that are roughly equal in size and can be identified with the unaided eye are said to exhibit a texture.

Which statement best explains the relationship between an area's geography and the temperature of its surface water? areas at low altitudes have the warmest water because they receive the most direct sunlight. areas at low altitudes have the warmest water because they have the least change in temperature throughout the year. areas at high latitudes have the warmest water because their days are the longest. areas at high latitudes have the warmest water because they have the longest seasons.