LIBROS DEL AUTOR: sandra cramer

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  • Jewels of the Sea
    Betsy Franco-Feeney / Sandra R Cramer
    The world’s oceans and freshwater environments teem with beneficial microscopic organisms called diatoms. In Franco-Feeney’s well-conceived work, sure to spark a sense of discovery, grade school-age readers are introduced to these creatures and to the essential roles they play in the aquatic food chain, medicine, biomedical research, industry, and the very health of the planet....
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    12,94 €