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All About Light and Sound - 9780756543013

Un libro in lingua di Connie Jankowski edito da Capstone Pr Inc, 2010

  • € 29.00
  • Il prezzo è variabile in funzione del cambio della valuta d’origine

Explains the importance of light and sound in the universe, for without them everything would be dark and silent, and plants and animals would die, and describes what scientists have found out about them.

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