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").

[EX Q]: A battery converts chemical energy into (A) energy stored due to the relative positions of charged particles or electric fields (B) energy stored due to the bombardment of particles (C) energy stored between the cells of nonadjacent particles (D) energy that is broken down in particles
[EX A]: A

[EX Q]: The topography of our only natural satellite's surface is (A) smooth (B) made of cheese (C) full of gold (D) mountainous
[EX A]: D

[EX Q]: People are switching from coal to wind to (A) do nothing at all (B) heat and cool Mars (C) sing songs to birds (D) producing heat for dwellings
[EX A]:
D