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").

Q: Fact1: carpooling decreases the amount of cars used to travel to a place, Fact2: Carpooling cuts down on congestion and pollution., Question: What decreases when we decrease the amount of cars traveling to one place? (A) Temperature (B) Heart rate (C) Climate change (D) Pollution (E) Clean air (F) forces (G) Burning fossil fuels (H) gene flow

A: D
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Q: Fact1: Heterotrophs are living things that cannot make their own food., Fact2: All animals are heterotrophs., Question: what are living things that cannot make their own food? (A) hydrogen (B) clouds (C) animals (D) humans (E) bacteria (F) bushes (G) fungi (H) plants

A: C
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Q: Fact1: Roundworms may be free-living or parasitic., Fact2: Dogs remain susceptible to reinfection with hookworms and roundworms., Question: Dogs remain what to free-living or parasitic species? (A) hungry for (B) warm-blooded (C) susceptible (D) fertile (E) taken over by (F) more abundant (G) Animal survival (H) friendly towards

A:
C
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