In this task, you are given two facts, and a multiple-choice question. Based on the given facts, answer the question with index of the correct option (e.g, "A").
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Question: Fact1: Bottleneck effect occurs when a population suddenly gets much smaller., Fact2: Fishing pressure is relatively low due to a smaller human population., Question: What can make the bottleneck effect occur in fish? (A) increased habitat (B) acid rain (C) humans (D) Winter (E) increased food (F) storms (G) increased resources (H) Toxicity

Answer: C


Question: Fact1: Cancer is a disease in which cells divide out of control., Fact2: Cancer is also caused by a mutation., Question: What can mutations lead to in which cells divide out of control? (A) Smoking (B) resistance (C) a disease (D) viruses (E) AIDS (F) bacteria (G) Leptospirosis (H) cigarettes

Answer: C


Question: Fact1: Cells secrete acids and bases to maintain the proper pH for enzymes to work., Fact2: Enzymes help to break down proteins so that the bacteria can do their thing better., Question: Why do cells secrete acids? (A) Make money (B) resistance activities (C) allow growth (D) Plant growth is reduced (E) Break down proteins (F) Hurt things (G) increases a body's strength (H) Help friends

Answer:
E