Suppose That Many Coal Mines Are Shut for Environmental Reasons

Multiple Choice

Suppose that many coal mines are shut for environmental reasons.This will cause

A) no change in the supply curve,only a change in price.
B) a movement up the supply curve.
C) an increase in the supply of coal (a rightward shift of the supply curve) .
D) a decrease in the supply of coal (a leftward shift of the supply curve) .
E) a movement down the supply curve.