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.

Q: Which is the greatest benefit of sexual reproduction?  
 (A) capable of reproducing by meiosis (B) ability to reproduce without a mate (C) ability to produce genetically different offspring (D) capable of producing offspring genetically identical to parent

A: C
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Q: Which step will most likely ensure that the results of an investigation are valid?  
 (A) using a computer to graph results (B) verifying that results match the original hypothesis (C) comparing the results with those of other scientists (D) eliminating any results that appear to be abnormal

A: C
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Q: Scientists claim that the area around the Grand Canyon was once covered by an ocean. What evidence would support their claim?  
 (A) Dinosaur footprints were found near the Grand Canyon. (B) Fish were found living in the rivers of the Grand Canyon. (C) Fossils of ocean animals were found at the Grand Canyon. (D) Bones from desert animals were found at the Grand Canyon.

A:
C
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