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: chemical weathering causes iron in rock to oxidize, Fact2: Oxides Oxides Oxides are elements combined with oxygen., Question: Chemical weathering causes iron in rock to combine with what? (A) uranium (B) oxygen (C) cartilage (D) nothing (E) an object (F) vacuum (G) energy (H) heat

A: B
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Q: Fact1: Evolution occurs by a process called natural selection., Fact2: Adaptation is the result of natural selection., Question: What leads to evolution? (A) Plants growth (B) competition (C) Adatation (D) our star (E) Experimentation (F) Stagnation (G) environment (H) Information

A: C
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Q: Fact1: Some viruses can cause cancer., Fact2: Cervical cancer is caused by a virus, the human papaloma virus., Question: What is responsible for cervical cancer? (A) lmestone (B) Hemoglobin (C) alleles (D) A virus (E) chemicals (F) cigarettes (G) ovaries (H) smoking

A:
D
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