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").
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Question: Which is the least massive? (A) the Earth (B) the moon (C) the sun (D) the solar system

Answer: B


Question: Grooves in the ground are a sign of (A) sink holes (B) erosion (C) water accumulation (D) high traffic

Answer: B


Question: When light enters the eye through the pupil the light falls on the what? (A) brain (B) optic disk (C) retina diagram (D) nose

Answer:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
B


