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").

Fact1: All chemical reactions require activation energy to get started., Fact2: Fire is a chemical reaction., Question: What does fire require to get started? (A) an engine (B) activation energy (C) water (D) energy usage (E) direct energy (F) dogs (G) activated almonds (H) adding heat
B

Fact1: an egg requires warmth to survive, Fact2: Inside the egg, the developing rattlesnake is nourished by the yolk of the egg., Question: a developing rattlesnake requires what to survive (A) warmth (B) companionship (C) nutrients (D) shade (E) desert (F) food (G) energy (H) air
A

Fact1: fossil fuels are formed from dead organisms over time, Fact2: Eons are the largest divisions of the time scale., Question: How long does it take for fossil fuels to be formed from dead organisms? (A) mostly (B) oil (C) Eons (D) Winter (E) three (F) Five (G) coal (H) two

C