Question

ann is making a circuit. she wants to use something that can conduct electricity.
ann wants to add ____ to her circuit, so the circuit ____.
a. an insulator, a copper wire
b. a conductor, a copper wire
c. a conductor, plastic

Explanation:

To solve this, we analyze the context (mixing a circuit, using a material that conducts electricity). An insulator doesn't conduct, a conductor (like copper wire) does. Option A has "an insulator" which is incorrect for conducting. Option C's "plastic" is an insulator. Option B: "a conductor" (correct for conducting) and "a copper wire" (copper is a conductor, suitable for a circuit) fits.

Answer:

B. a conductor, a copper wire