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: oil is formed by layers of sediment pushing down on decomposing algae, Fact2: When the algae dies it is decomposed by bacteria., Question: Oil is formed by layers of sediment pushing down on what? (A) bacteria (B) nutrients (C) amoebae (D) tunicates (E) oysters (F) coral reefs (G) mussels (H) Bodily water

A: A
****
Q: Fact1: the emission of sulfur dioxide causes acid rain, Fact2: The sulfur dioxide is converted into sulfuric acid., Question: what causes acid rain? (A) gases (B) rainfall (C) Pollution (D) fossil fuels (E) emissions (F) vehicles (G) burning (H) wind

A: E
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Q: Fact1: Temperature falls from lower to higher altitudes., Fact2: Heat and temperature are the same., Question: The measurement of what falls from lower to higher altitudes? (A) snow (B) rain (C) Energy (D) heat (E) Inches (F) meters (G) H 2 O (H) motion

A:
D
****