Fireworks crackle and boom in the sky. Your friend laughs at a joke. Sounds are all around you. But what exactly is sound? And how does sound reach your ears? Read this book to find out!
Língua Inglês ● Formato PDF ● ISBN 9780761372240 ● Editora Lerner Publishing Group ● Publicado 2011 ● Carregável 3 vezes ● Moeda EUR ● ID 5833061 ● Proteção contra cópia Adobe DRM
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