Trace elements; how they help and harm us.

By Joan Arehart-Treichel

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Publish Date

1974

Publisher

Holiday House

Language

eng

Pages

164

Description:

Discusses the origins of various elements and compounds and their beneficial and detrimental effects on animals, plants, and humans.

subjects: Effect of trace elements on Plants, Juvenile literature, Physiological effect, Trace elements, Plants, Effect of trace elements on