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: What tool would be used to examine a fingerprint?  
 (A) a graduated cylinder (B) a hand lens (C) a pair of goggles (D) a thermometer

A: B
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Q: You wish to closely observe a small insect. Which tool is the best to use?  
 (A) a balance (B) a test tube (C) a telescope (D) a magnifying glass

A: D
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Q: In a laboratory procedure, students added sodium hydroxide crystals to a beaker of water and allowed the resulting solution to cool. Based on this information, which type of chemical process most likely occurred?  
 (A) electrical (B) energetic (C) exothermic (D) endothermic

A:
C
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