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How do humans depend on Earth?

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轉寄 列印
第1級人氣樹(0)
人氣指樹
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The Importance Of Plants And Our Dependence On Them Not Only For Food But Also For Our Clean Air And Water Are Discussed In This Title. How Crops And Plants Have Been Genetically Modified To Resist Disease And Insects. The Impact Humans Have On Our Earth And What We Can Do To Reduce The Use Of Our Nonrenewable Resources Are Discussed.

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