Which of the following statements describes an agricultural hearth?
A. Food preparation activities centered around the freestanding bronze ding in ancient China.
B. Coffee and sorghum were first cultivated in Sub-Saharan Africa.
C. Cooking fireplaces were commonly made of dry masonry with Welsh slate in Wales.
D. Tribes worked on communal lands called swiddens in tropical and subtropical area of Africa.
E. The Great Plains are the “breadbasket” of North America