5395216
9781403479150
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Projects in this book include: My Personal Ecosystem; I'm Crowded!; Rain Down on Me; Invaders!; Water Cleaned with Dirt?!; What was for Lunch?; The Disappearing Apple; Puddle and Pond pH; No Good Water.Rompella, Natalie is the author of 'Ecosystems ', published 2007 under ISBN 9781403479150 and ISBN 1403479151.
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