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Lester Brown points out that the earth's four principal biological systems — fisheries, forests, grasslands and croplands — form the foundation of the global economic system and supply most of our raw materials. When human claims on these systems reach an unsustainable level, fisheries collapse, forests disappear, grasslands turn into wasteland, and croplands deteriorate. The author cites Lester Brown primarily to:
Adispute the idea of sustainable development
Bdescribe a single country's forests
Cpraise the fishing industry
Dsupport the claim that the economy rests on biological systems
Answer & Solution
Correct answer: D. support the claim that the economy rests on biological systems
Lester Brown is cited to support the point that the global economy rests on these biological systems.
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