Text and photographs explain through observation and simple experiments the differences between wet and dry, how things become wet or dry, and why moisture is important.
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Book Description Hodder, 1984. Book Condition: Good. N/A. Ships from the UK. Former Library book. Shows some signs of wear, and may have some markings on the inside. Bookseller Inventory # GRP83742983
Book Description Hodder. Book Condition: Good. Ex-library, so some stamps and wear, but in good overall condition. Bookseller Inventory # Z1-G-014-00511