What exists when 2 places have a comparative advantage in what the other place wants?

[fw.02]sinkholes are often formed as a result of the actions of. a.heat on recharge b.pressure on aquifers c.acid in groundwater d.minerals in hot springs

The pyramid has a square base that us inscribed in the circular base of the cone. draw an image of the composite shape of the base. 2) if the side length of the square base is 8 units long, what is the diameter of the circular base of the cone from the picture in number 1

When studying the calumet region of illinois and indiana, alfred meyer noted four stages of development as new groups occupied this land. in stage 3, farming communities grew large quantities of crops to sell. a. subsistence agriculture b. conurbanization c. commercial agriculture d. fur trading