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Автор: Nicolas Brasch
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Жанр: Cambridge University Press
Издательство: Cambridge University Press
Год: 2010
Страниц: 24
Формат: PDF (1.20 МБ)
Дата загрузки: 28 мая 2013
Why Is It So Loud?A series of twenty non-fiction science readers which engages children in the world around them. Why do I hear thunder after I've seen lightning? What is sound? How do our ears hear sound? You can find the answers to these and other questions about sound in Why Is It So Loud? |
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