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: 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

A: E
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Q: Fact1: Amphibians have permeable skin that easily absorbs substances from the environment., Fact2: All frogs are amphibians., Question: What has permeable skin? (A) goats (B) alligators (C) animals (D) apples (E) frogs (F) sharks (G) humans (H) snakes

A: E
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Q: Fact1: Climate influences plant growth, biodiversity, and adaptations of land organisms., Fact2: Climates are determined mostly by temperature., Question: What influences plant growth, biodiversity, and adaptations of land organisms? (A) the environment (B) anatomy (C) temperature (D) Summer (E) speed of growth (F) lifespan (G) weather changes (H) global warming

A:
C
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