1. SOILhttp://media.treehugger.com/assets/images/2011/10/Biochar_Answer.jpg 2. Composition of soilhttp://www.earthsoils.com/wp-content/uploads/2010/06/Slide1.jpg 3. Soil…

Slide 1 Feeding the World Slide 2 A long long time ago… Slide 3 So what happened Slide 4 Now 21 % of the Earth’s land is currently cultivated and grazed. Slide 5 Did…

Slide 1 Unit II: Early African Civilizations Ghana Mali Axum Zimbabwe Slide 2 Bantu Migration* About 1500 b.c.e. an extraordinary cultural migration began to transform sub-Saharan…

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 pay bank loans. Banks…

Feeding the World Feeding the World 1 A long long time ago⦠2 So what happened 3 Now 21 % of the Earthâs land is currently cultivated and grazed. Did agriculture fix…

The diversity of North America Subtitle The diversity of North America 1 Diversity The condition of having or being composed of differing elements : variety; especially :…