Patchett, Lynne
Mathews, Jenny
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Paperback
Edition: 1st Paperback Ed
32 pages
Colour Photographs and Illustrations
Published: 1993
Publisher: A & C Black (Publishers) Ltd
ISBN / EAN: 0713638060
Part of a series which explains how human activities affect the earth, starting with investigations and suggestions to help children explore their local environment. This book asks why we need clean air and how dirty air affects plants, animals, soil and
