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: extreme heat and pressure change rock into metamorphic rock, Fact2: Slate is a metamorphic rock., Question: What rock is formed by extreme heat and pressure (A) erosion (B) crust (C) calcite (D) Slate (E) dead (F) forces (G) fibrous (H) complex

Answer: D


Question: Fact1: Food consists of organic molecules that store energy in their chemical bonds., Fact2: If an molecule contains carbon, it is called organic., Question: What does food consist of? (A) mostly carbon (B) solid, liquid, gas (C) mostly arsenic (D) mostly hydrogen (E) Energy. (F) mostly nitrogen (G) glucose (H) Most plants

Answer: A


Question: Fact1: Brain cells die quickly if their oxygen supply is cut off., Fact2: Air contains oxygen., Question: What happens to brain cells when the air supply is cut off? (A) strangulation (B) breathe (C) lead poisoning (D) death (E) hippocampus (F) painful (G) loss (H) die

Answer:
D