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: All life relies on a relatively narrow range of pH, or acidity., Fact2: Human life is dependent life., Question: what relies on a relatively narrow range of acidity? (A) gravity (B) mammals (C) animals (D) trees (E) humans (F) density (G) volume (H) potatoes

Answer: E


Question: Fact1: sandpaper is used to smooth wooden objects, Fact2: Coarse grit sandpaper works well., Question: what is used to smooth wooden objects? (A) lamphreys (B) coarse grit (C) scratching it (D) surface (E) oak trees (F) mass (G) h2o (H) sound vibrations

Answer:
B