What is a decibel? - 5 Sep 13
James O'Brien's Mystery Hour - Podcast autorstwa Global - Czwartki

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Could Chickens survive a fall from a tall building? What is a decibel? Why does salt melt ice? And other mysteries...
James O'Brien's Mystery Hour - Podcast autorstwa Global - Czwartki
Could Chickens survive a fall from a tall building? What is a decibel? Why does salt melt ice? And other mysteries...