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: astronauts require preserved food for extended flights, Fact2: Most of the Shuttle foods are preserved by dehydration, which saves weight and storage space., Question: astronauts require what food for extended flights? (A) Echinoderm. (B) layers of fat (C) dehydrated (D) fresh (E) hand picked (F) nutrients (G) frozen (H) hydration

A: C
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Q: Fact1: Carbon cycles quickly between organisms and the atmosphere., Fact2: Water, carbon dioxide, and nitrogen are all needed by living things., Question: What is needed by living things? (A) hate (B) sunlight (C) Chemical energy (D) pain (E) love (F) hydration (G) The atmosphere (H) Energy.

A: G
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Q: Fact1: the digestive system breaks food into nutrients for the body, Fact2: Proper digestion is vital for nutrient absorption., Question: What does digestion absorb? (A) food (B) lipids (C) oxygen (D) blood (E) sugar (F) O2 (G) water (H) Energy

A:
A
****