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 characteristic of frogs is an adaptation to living in water?  
 (A) strong legs (B) webbed feet (C) dull colors (D) moist skin

Answer: B


Question: While Anna was testing a circuit, she dropped a light bulb. What is the safest thing Anna can do?  
 (A) get a new bulb to finish the test (B) push the broken glass under a table (C) tell her teacher that she broke the bulb (D) ask her partner to help pick up the broken glass

Answer: C


Question: Seasons in Alaska are primarily caused by which factor as Earth revolves around the Sun?     
 (A) the tilt of Earth on its axis (B) the rate of rotation of Earth (C) the effects of solar flare activity (D) the relative distance between Earth and the Sun

Answer:
A