conceptual Science Chapter 24
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products being used once and thrown away.
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disposable society
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Conservation is achieved by
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using energy efficiently
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In contrast to the practice in modern industrial society, in nature
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one organisms waste is another organism's resource
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The most wasteful products in our society are those that are
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disposable
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One method of source reduction
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using recycled paper
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Many states add on a 5 cent deposit charge for each aluminum can purchased, this leads to
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more aluminum recycling
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one way to conserve energy at home is to
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use less hot water
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Is the least efficient kind of light bulb
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incandescent bulb
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When shopping for major appliances, people should look for those that are labeled as having a high energy rating because
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they use less energy to run on
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To conserve energy used in transportation many companies support
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carpooling
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A serious environmentalist would not have an
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an air conditioner
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Most home energy use goes for
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heating and hot water
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The country that recycles the greatest percentage of its waste is
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Japan
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In 1990, the United States recycled 38% of its aluminum, but only 5% of its
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plastic
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Making paper from recycled paper instead of wood
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generates less toxic waste
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One limitation on recycling paper is that eventually
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the cellulose fibers weaken
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Using recycled glass to make new glass products conserves energy because
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less heat energy is needed in the process
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Using recycled aluminum instead of producing aluminum from ore reduces pollution by how much
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95%
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Recycling aluminum instead of producing it from its ore eliminates
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the need to separate aluminum from bauxite
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Substances in junked cars and appliances are widely recycled
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metals
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Recycling motor oil protects the environment by preventing
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release of lead and toxic elements
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Recycled plastics cannot be used to produce new food containers because
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they cannot be sterilized
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An international agreement banning the sale of ivory has helped the African elephant by reducing the benefits of
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poaching
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If you want to know what we are doing in class for today, where would you look?
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class website
