What are avalanches? What causes them? Readers learn about avalanches and what is being done to keep people safe from them.
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Bahasa Inggris ● Format PDF ● Halaman 32 ● ISBN 9780766067929 ● Penerbit Enslow Publishing, LLC ● Diterbitkan 2015 ● Diunduh 3 kali ● Mata uang EUR ● ID 8663821 ● Perlindungan salinan Adobe DRM
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