You make a galvanic couple of copper and iron in saltwater. - What series could you use to see which metal would be the anode and which would be the cathode? - Describe how you would connect a voltmeter to measure the voltage between iron and copper. (You can draw a sketch with labels if you would like.) - Based on how you connected the meter, would the reading be positive or negative? Please explain your answer. - Describe which way current is flowing into the meter. .