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.

D

Explanation:

it was back when no technology was invented.

his wha5

the correct answer is 2.

a slump in geology means a mass movement process of slope failure. a mass of rock or unconsolidated material drops along a slip surface. in other words, rock layers move a short distance down the slope. the slump block is an intact block (2), without any landslide material.

in this image, 1 is the surface of rapture (scarp), 2 the slump block, 3 main scarp (crown), 4 base of rapture with debris flow.

slumps are caused by clear cutting on unstable soils and the sagging of earth, in coastal areas they are due to wave infiltration.