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Sinossi

Did you know there are gases all around us, but they're invisible? There are gases in the air that we breathe! With age-appropriate critical thinking questions and carefully leveled text, young readers will learn all about the gases that surround them while building nonfiction reading skills.

Durata: 3 minuti (00:02:34)
Data di pubblicazione: 01/08/2018; Unabridged; Copyright Year: 2018. Copyright Statment: —

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