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.

Q: The relationship between ticks and a dog can best be described as  
 (A) mutualism. (B) competition. (C) parasitism. (D) commensalism.

A: C
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Q: What causes ocean water to evaporate in the water cycle?  
 (A) energy from the Sun (B) energy from ocean waves (C) energy from Earth's rotation (D) energy from Earth's moon

A: A
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Q: When a bottle of strong perfume is opened at the front of a classroom, the smell gradually spreads throughout the entire room. Which process explains this occurrence?  
 (A) osmosis (B) diffusion (C) cell activity (D) cell transport

A:
B
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