Hurry i have 10 minutes left on my topic test

which of the following does not indicate velocity?
a.
14 m/s sse
b.
40 km/h toward the town square along the main street
c.
80 km/h going from new york toward new jersey
d.
28 km from los angeles to catalina island

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell