modeling
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Can Insects Save the Planet?
Price range: $13.95 through $103.95Follow the story of two college roommates as they explore possible protein sources in their diets.
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Atoms, Isotopes, and Ions
Price range: $12.95 through $86.95Model the sub-atomic particles in atoms, isotopes, and ions.
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Brittle Bones: A Density Problem
Price range: $20.95 through $174.95How does low bone density increase the risk for bone fractures?
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