Which animal did the native americans of the great plain region use for food and clothing

Which is not an abundant natural resource found in africa?

How was the method of making pottery by using coils of clay better than simply shaping the clay by hand? it prevented pottery from cracking when fired. it created a watertight seal. it produced more attractive pottery. the pottery could be cut or stamped with designs.

6. how are goods and services distributed in a free market system?