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: Why would animals most likely have to leave an area during a drought?
(A) to find mates (B) to find shelter (C) to escape predators (D) to find water and food

Answer: D

Question: The floating arrow on a compass always points towards the
(A) west. (B) east. (C) south. (D) north.

Answer: D

Question: During which process do cells use oxygen to release stored energy?
(A) photosynthesis (B) respiration (C) circulation (D) digestion

Answer:
B