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 of these shows the correct order for the central dogma of molecular biology?  
 (A) DNA to protein to RNA (B) RNA to DNA to protein (C) protein to DNA to RNA (D) DNA to RNA to protein

A: D
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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: During which change of state do the particles of a substance move from being tightly packed together to having more freedom of movement?  
 (A) a solid becoming a liquid (B) a gas becoming a solid (C) a gas becoming a liquid (D) a liquid becoming a solid

A:
A
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