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: Cancer is a disease in which cells divide out of control., Fact2: Chemotherapy works on cells that are dividing., Question: What helps stop cells multiplying in cancer? (A) the skin (B) Honey (C) sweating (D) Chemotherapy (E) H2O (F) Chemical energy (G) Titanium (H) bioaerosols

A: D
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Q: Fact1: darkness has a negative impact on photosynthesis, Fact2: Light is necessary for photosynthesis, a process that produces oxygen., Question: Darkness has a negative impact on which process of a plant? (A) slow and inefficient (B) chemical changes (C) circulatory systems (D) most organisms (E) fossil fuels (F) Abnormal cell growth (G) deoxyribonucleic acid (H) Oxygen production

A: H
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Q: Fact1: Precipitation falls on the windward side of the mountain range., Fact2: Rain is also known as precipitation., Question: what falls on the windward side of the mountain range? (A) density (B) west (C) signs of life (D) rain (E) waves (F) Vapor (G) Inches (H) snow

A:
D
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