Help underfoot -- All about soil -- How does soil help us -- Threats to soil -- A world without soil.
Summary:
"Discover why dirt is an important resource in this photo-filled nonfiction book for budding young scientists. What's so great about dirt? A lot, actually! In this Pebble Explore book, discover how this often overlooked - or even annoying - part of nature is essential to our world. We need dirt to grow crops and construct buildings and roads. Dirt is even important to the air we breathe! With eye-popping photographs, quick facts, and beyond-the-book back matter, Why Do We Need Dirt? will have young researchers and science fans exploring more about the NATURE WE NEED"-- Provided by publisher
This resource is supported by the Institute of Museum and Library Services under the provisions of the Library Services and Technology Act as administered by State Library of Iowa.