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: A student hypothesizes that algae are producers. Which question will best help the student determine if this is correct?
(A) Do algae consume other organisms? (B) Which organisms consume algae? (C) Do algae use sunlight to make food? (D) Could an ecosystem survive without algae?

Answer: C

Question: Which type of air mass forms over the ocean near the equator?
(A) moist and warm (B) moist and cool (C) dry and warm (D) dry and cool

Answer: A

Question: Newborn white-tailed deer have hundreds of spots on their coats which gradually disappear at three to four months of age. The spots on their coats make the newborns blend in with the environment through
(A) mimicry. (B) migration. (C) hibernation. (D) camouflage.

Answer:
D