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: Which of these properties of water helps moderate the weather of coastal areas?  
 (A) neutral pH (B) high specific heat (C) dissolves many substances (D) floats as a solid

Answer: B


Question: Which of the following is the best example of potential energy?  
 (A) a fallen rock (B) a burning match (C) a liter of gasoline (D) a red-hot piece of iron

Answer: C


Question: Copper, silver, and nickel are all classified as  
 (A) noble gases. (B) transition metals. (C) halogens. (D) nonmetals.

Answer:
B