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.

Simple astronomical telescope the objective lens has a focal length of 75 cm and that of a piece of 5cm of the lenses are 18 cm apart when will be final image of a distant object before

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Match your vocabulary word to its definition. 1. emigration 2. immigration 3. migration 4. overpopulation 5. sustainable development 6. under population 7. unsustainable development 8. urbanization the movement from one place to another the number of people exceeds the available natural resources in an area leaving one's homeland to settle in a new place the increase in the population of a city the movement of people to a new country the ability to meet current needs without reducing the ability to meet future needs resources being used up at a faster rate than they can be replenished birth rate insufficient to replace the existing population