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: exercise increases a body 's strength, Fact2: Strength is increased by resistance activities., Question: which of the following are a type of exercise? (A) resistance activities (B) fantasy football (C) sitting down (D) Relieve pain (E) Something that is self-aware (F) running for office (G) animal behaviorists (H) Riding a bike

Answer: A


Question: Fact1: volcanic ash in the atmosphere decreases the temperature by blocking the sun, Fact2: Ash clouds are a particular problem for aircraft., Question: What are particular problems for aircraft in the atmosphere? (A) transportation (B) clog airways (C) extremely low humidity (D) volcanic clouds (E) feedback mechanisms (F) negative feedback (G) gas spreads in the air (H) very complex

Answer: D


Question: Fact1: All chemical reactions require activation energy to get started., Fact2: Catalysts lower the activation energy for reactions., Question: What do catalysts do? (A) metabolic reaction (B) breathe (C) get chemical reactions started (D) Slowing the transfer of heat (E) A compound that donates proton (F) fertilize eggs (G) have a positive impact on the environment (H) inhibit chemical reactions

Answer:
C