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Author: National Geographic Society (U.S.) Publisher: National Geographic Books ISBN: 1426325282 Category : Communication Languages : en Pages : 260
Book Description
Presents number-related facts, including the estimated age of the universe, the average speed of a woodpecker's pecks, the amount of protein in a grasshopper, the number of red blood cells in a human body, and the melting point of gold.
Author: National Geographic Society (U.S.) Publisher: National Geographic Books ISBN: 1426325282 Category : Communication Languages : en Pages : 260
Book Description
Presents number-related facts, including the estimated age of the universe, the average speed of a woodpecker's pecks, the amount of protein in a grasshopper, the number of red blood cells in a human body, and the melting point of gold.
Author: National Geographic Society (U.S.)
Author: National Geographic Society (U.S.)
Author: John Hiles
Author: Oliver Byrne
Author: Kyōto Teikoku Daigaku. Rigakubu
Author: 
Author: University of Iowa
Author: Shinsai Yobō Chōsakai (Japan)
Author: Granville Stanley Hall
Author: 
Author: