1.

A:
A
2.
B:
B
3.
C:
C
4.
D:
D
5.
E:
E
Column B
a.The wire through which electrons flow.
b.Half cell where either oxidation or reduction occurs.
c.Voltmeter - detects electrical current flowing through the wire.
d.The salt bridge that allows ions to move from one half cell to another.
e.Electrodes

B: a.The wire through which electrons flow.