Which of these could not be used to replace wire in a circuit?

Student where given materials to complete a circuit to turn on one light.The materials received were two wires, a AA battery, and various size of the light bulbs. What is the variable in the experiment.

giant impact theory - the moon was formed from the collision between earth and another mars-sized body.

colliding planetesimals hypothesis - the moon was formed from the same cloud of material as earth.

capture hypothesis - the moon was locked into orbit by earths gravity as it was passing by it.

accretion hypothesis - the moon was formed from collisions and combining of planetesimals.

i think this is right, if not and you know better let me know.

answer; mission;