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: Organisms use lipids to store energy., Fact2: Triglycerides are a storage form of energy., Question: In what form do organisms use lipids? (A) Triglycerides (B) glucose (C) layers of fat (D) adding heat (E) reducing acid rain (F) hydrocarbons (G) recycling (H) By wind and rain

A: A
****
Q: Fact1: if a thermal conductor is exposed to a source of heat then that conductor may become hot, Fact2: Copper is a great thermal conductor., Question: What becomes hot when exposed to a source of heat? (A) rubber (B) wool (C) an object (D) copper (E) paper (F) sugar (G) the skin (H) our star

A: D
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Q: Fact1: moss causes chemical weathering, Fact2: Mosses Mosses are flowerless plants that grow in clumps., Question: What effects can flowerless plants growing in clumps have on their environment? (A) chemical weathering (B) decreased differentiation (C) Ugliness (D) looseness of dirt or compost (E) Wealth (F) organisms and their habitat (G) Greenhouse gases (H) Al Gore

A:
A
****