Learn about the many ways in which humans use, abuse, and try to protect the soil.Readers (Grades 3-5) will find out about the thin coating of soil that covers most of the Earth's land areas, what can be found beneath the soil, as well as soil types.
Learn about the many ways in which humans use, abuse, and try to protect the soil.Readers (Grades 3-5) will find out about the thin coating of soil that covers most of the Earth's land areas, what can be found beneath the soil, as well as soil types.
