Soil
Feeding the World. A long long time ago… So what happened.
Unit II: Early African Civilizations Ghana Mali Axum Zimbabwe.
The Great Depression Hard Times. The Dust Bowl Many farmers go bankrupt because they had taken out loans to buy faming machinery and land, and cannot.
Subtitle The diversity of North America. Diversity The condition of having or being composed of differing elements : variety; especially : the inclusion.
Feeding the World
