Markeisha needs to create an electromagnet for her science project. She needs to create a magnet that can pick up
iron filings out of a mixture of substances. Which list of materials would best help Markeisha build her electromagnet?
glass rod, wire, battery
glass rod, string, battery
string, battery, metal nail
battery, metal nail, wire

Markeisha needs to use battery, metal nail, wire to create the electromagnet.

Explanation:

Battery will supply the current.

Metal nail will be the magnetic material that will be induced.

wire will be wound round the nail to form an induction current as the wire is connected to the terminals of the battery.

whichever one it is, it's definitely not one that you included on the list you provided.