In this task, you are given a multiple-choice question and you have to pick the correct option. Answer with option indexes (i.e., "A", "B", "C", and "D").

What could be used as an electrical conductor (A) A penny (B) Shoe laces (C) Wood (D) A button
A

If you eat a lot of chicken your body has what it needs to (A) tell the weather (B) fix wounds (C) grow feathers (D) fly
B

A switch is used to stop the flow of currents which causes Joule heating in (A) thermostat (B) solar energy (C) magnetic fields (D) electrical circuit.

D