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Rocks and Minerals Inquiry Card--Diamond and Graphite

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Rocks and Minerals Inquiry Card--How to Identify a Mineral

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Rocks and Minerals Inquiry Card--The Hardness of Coins

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Rocks and Minerals Inquiry Card--Weathering Landforms

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Rocks and Minerals Inquiry Card--Sue, the Tyrannosaurus Rex

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Rocks and Minerals Inquiry Card--Classification and Ranks of Coal

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Rocks and Minerals Inquiry Card--Birthstones

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Rocks and Minerals Inquiry Card--Crystal Systems The Shape of Crystals

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Ecology and the Environment Inquiry Card--A Global Environment

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Ecology and the Environment Inquiry Card--In This Together

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Ecology and the Environment Inquiry Card--Help! I Am Endangered

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Ecology and the Environment Inquiry Card--It Is Crowded Here

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Ecology and the Environment Inquiry Card--Reasons for Extinction

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Ecology and the Environment Inquiry Card--Renewable and Nonrenewable

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Ecology and the Environment Inquiry Card--Renewable Solar Energy

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Ecology and the Environment Inquiry Card--Conserving Fossil Fuels

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Ecology and the Environment Inquiry Card--The Pacific Garbage Patch

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Ecology and the Environment Inquiry Card--A Breath of Fresh Air?

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Ecology and the Environment Inquiry Card--Point and Nonpoint Water Pollution

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Ecology and the Environment Inquiry Card--It Is Hot in Here

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Ecology and the Environment Inquiry Card--Causes of Acid Rain

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Ecology and the Environment Inquiry Card--Effects of Industry

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Ecology and the Environment Inquiry Card--Protecting Diverse Ecosystems

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Ecology and the Environment Inquiry Card--Conserving the Natural World

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