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Easter Island - Sustainability using resources in a way...

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Sustainability – using resources in a way that keeps a population supported forever Do Now: Are we a sustainable society? Give an example.
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What it means… Sustainability The needs of the population are met so that it can survive indefinitely No external resources are needed
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Renewable vs. Nonrenewable Resources Renewable A resource that can be replaced relatively quickly by natural processes o Examples: water, air, soil, trees, and crops Nonrenewable Resources that form at a much slower rate than the rate it is consumed o Examples: minerals, fossil fuels, gems
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Rapa Nui — Easter Island
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Rapa Nui Before People Lush subtropical forest Wet/dry season climate Rich volcanic soil Fresh water stored in soil and calderas Abundant sea and bird life
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The Polynesians Arrive By 400 CE, a few dozen arrive Genetically and linguistically Polynesian, not South American
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Rapa Nui Culture First they: Brought foods -taro, sweet potatoes, banana, rats, chickens Lived on farming, fishing from canoes Population rose to 9,000 by 1550
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