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.

Example Input: Which describes a specific characteristic necessary for survival in the desert?  
 (A) conserving water (B) hiding from predators (C) hibernating for long periods (D) producing many offspring
Example Output: A

Example Input: Divergent tectonic plate boundaries most commonly form  
 (A) ocean ridges. (B) ocean trenches. (C) non-volcanic islands. (D) continental mountains.
Example Output: A

Example Input: What will most likely affect your adult height?  
 (A) The height of your parents (B) The height of your brothers and sisters (C) Your hair color (D) Your weight
Example Output:
A