Detailed Instructions: You are given a science question (hard-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 the following describes water changing from liquid to solid?  
 (A) ice forming on a lake (B) dew forming on grass (C) snow melting into a puddle (D) water evaporating from a pond
A:
A