Picture of Donna B. McKinney

Donna B. McKinney

Author

    Donna B.'s Books

    FirstPrevPage 1 of 11NextLast
    Lead

    Lead

    Donna B. McKinney
    In ancient times, humans used lead in everything from cooking tools to water pipes to cosmetics. That was before scientists discovered that lead is poisonous for humans. Today lead is still useful, but we use it with more care in items that hold corrosive materials, like car batteries that hold acid, or to protect us from harmful radiation, like in X-ray machines or nuclear reactors...Read More

    Buying Options

    ISBN: 9781978504233
    Binding: eBook
    List Price: $27.93
    Discount Price: $20.95

    Potassium

    Potassium

    Donna B. McKinney
    Readers can find potassium in their kitchens. This silvery white element is in bananas, avocados, nuts, chocolate, and potatoes. It's also found in ocean water. In the human body, potassium helps keep our bones healthy and our muscles contracting properly...Read More

    Buying Options

    ISBN: 9781978504264
    Binding: eBook
    List Price: $27.93
    Discount Price: $20.95

    FirstPrevPage 1 of 11NextLast

    :
    $55.86 $41.90 + Add to wish list
    :
    $55.86 $41.90 + Add to wish list