Gérmenes Al Acecho - Barker, Lori
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"Germs are everywhere. They're on your hands, your school supplies, and even in your mouth! But what exactly are germs, and how do they spread? Write, simplify, and evaluate algebraic expressions to explore how fast germs can spread. Learn about scientists who study germs, and simple things that you can do to keep them from spreading"--

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Produktbeschreibung
"Germs are everywhere. They're on your hands, your school supplies, and even in your mouth! But what exactly are germs, and how do they spread? Write, simplify, and evaluate algebraic expressions to explore how fast germs can spread. Learn about scientists who study germs, and simple things that you can do to keep them from spreading"--