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: Which of these substances is correctly identified as a mineral?  
 (A) coal (B) quartz (C) granite (D) sandstone

A: B
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Q: Which plant is grown for food?  
 (A) Rice (B) Tobacco (C) Orchid (D) Cotton

A: A
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Q: Dan knows the Earth is tilted 23.5° on its axis. Which is caused because of this tilt?  
 (A) day can become night (B) different seasons occur (C) low tide can become high tide (D) the change in phases of the Moon

A:
B
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