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]: A star produces light energy and heat because it has a variety of (A) moon rotation causing friction (B) light energy flowing to earth (C) reactions of nuclear form (D) global warming caused by co2
[A]: C


[Q]: A deer, shark, human and rose share which common activity? (A) eating cheese (B) marrying (C) defecating (D) building ships
[A]: C


[Q]: Which of the following is an example of ecological succession? (A) a group of horses slowly becomes extinct due to loss of habitat (B) a group of rats in a lab learn to navigate a maze (C) a soccer team trains for the championship (D) Trees, insects, and birds in a forest grew from wildfire-ravaged lands
[A]:
D