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: a rainbow is formed by refraction of light by separating light into all different colors, Fact2: Introduction A rainbow is often given as an everyday example of a spectrum., Question: A spectrum is formed by refraction of light by separating light into all different what? (A) categories (B) dyes (C) photons (D) pigments (E) light (F) colors (G) Energy. (H) energy

A: F
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Q: Fact1: breaking apart rocks can cause debris, Fact2: Examples of such rock include sandstone and shale ., Question: What can cause debris? (A) breaking apart sandstone (B) some invertebrates (C) breaking apart air (D) remains of prehistoric life (E) exposure to cold (F) breaking apart clouds (G) breaking apart water (H) forest is destroyed

A: A
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Q: Fact1: landfills have a negative impact on the environment, Fact2: Life affects environment, environment affects life., Question: landfills have a negative impact on what (A) Life (B) Clouds (C) plants (D) Earth (E) Fuel (F) biome (G) humans (H) Sunshine

A:
A
****