The following is a diagram of a zinc$-$copper galvanic cell. Match each of the following components to its location in the diagram and to its description.

Answer choices may be used only once.

prevents the salt bridge solution from entering the half$-$cells

an electrolyte used to

cotton plug

prevent charge buildup in the half$-$cells

anode

the electrode where

direction of electron flow

reduction takes place

the electrode where

voltmeter

oxidation takes place

measures the potential

cathode

difference of the galvanic

salt bridge

cell

goes from the anode to the cathode