What would be the consequences of not separating the three powers

What was the main argument of plessy in plessy v. ferguson

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.

In the supply-and-demand schedule shown above, the equilibrium price for cell phones is $25 $100 $200