Soil: What It Is and What It Does
Soil: What It Is and What It Does
Watch soil: what it is and what it does FMovies. Explains that different kinds of soil are mixtures of sand, clay, and humus; tells how the weathering of rocks helps make soil; includes simple experiments to show the kind of soil in which different plants grow well.
- Genre: Documentary
- Country: United States
- Director:
- Cast: