Order this list of events to show a typical story of migration and human environmental interaction Group migrates away from area
Mechanized culture plows turn grasslands into farms
Tribal culture hunts buffalo on grasslands
Climate changes so farms die

Which of the following is defined as combinations of soil particles that vary in size and shape?

In the developed world, describe the changing role of women in agriculture.

1. crust 1 the metallic layer at the earth's center 2. inner core 3 the firm layer between the crust and the asthenosphere 3. lower mantle 2 the layer surrounding the inner core 4. asthenosphere 4 the semi-solid layer between the top layer and the upper mantle 5. upper mantle 5 the layer between the asthenosphere and lower mantle 6. top layer 6 the earth's outermost layer 7. outer core 7 the hottest part of the mantle