Scientifica Workbook 7

Scientifica Workbook 7

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The Scientifica series offers a suite of state-of-the-art textbooks and workbooks perfectly complemented by cutting-edge electronic whiteboard resources, to make Science real, relevant, vibrant and fun. Astound your students with the latest experiments, Ideas a Evidence, a Amazing Sciencea and a Gruesome Sciencea facts.... Peter Ellis. *agt;a€žAl YOUR * a–i ^ The diagram shows a boy before and after puberty. testes testes a) i) At about what age does puberty begin in boys? years ... in the testes? agt; The diagram shows an egg cell produced in a womana#39;s ovaries .

Title:Scientifica Workbook 7
Author:Lawrie Ryan, David Sang, Peter Ellis
Publisher:Nelson Thornes - 2004-05-10


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