Wires X and Y Are Made of the Same Material

Multiple Choice

Wires X and Y are made of the same material. Which of the following could explain why wire X has a higher resistance than wire Y?

A) Wire X is colder than wire Y.
B) Wire X is shorter than wire Y.
C) Wire X has a different color coating than wire Y.
D) Wire X has a smaller cross-sectional area than wire Y