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").

[Q]: Being a nonrenewable resource means coal (A) is highly sought after as an alternate energy source (B) can be replaced and replenished with enough time (C) the industry one day will cease to exist (D) is flourishing with an unending supply
[A]: C


[Q]: Digestion is when stomach acid breaks down what? (A) food essays (B) sustenance (C) water (D) air
[A]: B


[Q]: Which would least refract light? (A) a cardboard box (B) a bottle (C) a gem (D) a diamond
[A]:
A