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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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Light and Sound Inquiry Card--Radio Waves and Cell Phones

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Light and Sound Inquiry Card--Wave Interference

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Light and Sound Inquiry Card--Light Through a Prism

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Light and Sound Inquiry Card--Color Blindness

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Light and Sound Inquiry Card--How Human Eyes Work

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Light and Sound Inquiry Card--Reflecting Telescopes

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Light and Sound Inquiry Card--Refracting Telescopes

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Light and Sound Inquiry Card--Light and Heat Absorption

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Light and Sound Inquiry Card--Seismic Activity

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Light and Sound Inquiry Card--The Science Behind Guitar Strings

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Light and Sound Inquiry Card--Echoes

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Light and Sound Inquiry Card--What Is a Sonic Boom?

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Light and Sound Inquiry Card--Four Saxophones, Four Sounds

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Light and Sound Inquiry Card--How Our Ears Work

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