Which statement correctly describes communism? a. Workers are considered to be the lowest social class.

b. Wealth is distributed according to social class.

c. The central government controls all economic planning.

d. Property ownership is determined by family status.

Which statements explain reasons why unconformities occur? check all that apply. rocks along a fault break and move. igneous rock forms at earth’s surface. rocks erode and sediment is deposited. no sediment is deposited over a long time. igneous rock forms between sedimentary layers.