Education Soil, how formed (teach)

1. SOIL, HOW IT IS FORMED 2. Hey, listen to this. Have I gotthe dirt on....SoilBy Moira Whitehouse PhD 3. The continents have alayer of solid rock, thecrust, covering the…

Education Soil science for teachers (massive-the real dirt on soil)

1. The Complete SoilBy Moira Whitehouse PhD 2. The continents have alayer of solid rock, thecrust, covering the hotstuff in the mantle.The continental crust, then, is mostly…