TASK DEFINITION: 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.
PROBLEM: Compared to Earth, the Moon is  
 (A) drier. (B) larger. (C) heavier. (D) brighter.

SOLUTION: A

PROBLEM: What type of galaxy is the Milky Way?  
 (A) spiral (B) elliptical (C) irregular (D) oval

SOLUTION: A

PROBLEM: A sea anemone uses poisonous darts to  
 (A) absorb food. (B) defend itself. (C) attract a mate. (D) protect its young.

SOLUTION:
B