Q: 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.
Some plants grow only in specific places in the world. Some cacti, for example, grow only in deserts. Which of the following is most important in determining where a plant can grow and survive?  
 (A) animals (B) climate (C) tides (D) wind
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
B