Environmental and Economic Terms

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Precipitation that is unusually acidic, harms plants, animals, and infrastructure

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Acid Rain

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When two or more people, countries, or things depend on each other

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Interdependent

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Farming method in which different crops are alternated in the same field, preserving soil nutrients

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Crop Rotation

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The percentage of people in a given place who can read and write

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Literacy Rate

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An agreement between Canada, Mexico, & the United States, creating a rules-based trade bloc in North America

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North American Free Trade Agreement

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An economic system in which private businesses operate with little interference from government

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Free Enterprise

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Fog or haze combined with smoke and other pollutants

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Smog