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.

[EX Q]: Which of the following best represents one particular stage in a life cycle?  
 (A) a fish swimming (B) a seed sprouting (C) a leaf growing (D) a dog eating
[EX A]: B

[EX Q]: Which of these cycles takes 24 hours?  
 (A) Earth rotating on its axis (B) Earth revolving around the Sun (C) the Moon rotating on its axis (D) the Moon revolving around Earth
[EX A]: A

[EX Q]: A cold can of juice is removed from the refrigerator and is placed outdoors on a warm day. After several minutes, moisture appears on the outside of the cold can. Which of the following statements best explains why the moisture appears?  
 (A) The warm air absorbs cold from the can and changes to a liquid. (B) Water vapor in the air condenses into a liquid on the cold can. (C) The warm air causes heat to flow out of the can and condense in the air. (D) Water vapor in the air absorbs heat from the can and changes to a liquid.
[EX A]:
B