Trace elements; how they help and harm us

By Joan Arehart-Treichel

Discusses the origins of various elements and compounds and their beneficial and detrimental effects on animals, plants, and humans. This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0823402428
• ISBN13: 9780823402427
• Release Date: January 1974
• Publisher: Holiday House
• Length: 164 Pages
• Weight: 0.80 lbs.
• Age Range: 12 years and up
• Grade Range: Grade 7 and higher