You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
--------
Question: The main function of a fish's fins is to help the fish  
 (A) reproduce (B) see (C) breathe (D) move

Answer: D


Question: What type of galaxy is the Milky Way?  
 (A) spiral (B) elliptical (C) irregular (D) oval

Answer: A


Question: Minerals are formed by which process?  
 (A) magma cooling (B) fault lines moving (C) metamorphosis (D) sedimentation

Answer:
A