For the following electrochemical cell, determine the oxidizing agent, reducing agent, and whether the cell is a voltaic cell or electrolytic cell.

Fe(s) / Fe2 (aq) (1.0 M) // Ni2 (aq) / Ni(s).

a. NiB.
b. Ni2+
c. Fe
d. Fe2+
e. voltaic
f. electrolytic