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: 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: microorganisms can cause infections, Fact2: Bacteria are microorganisms that exist everywhere., Question: What can cause infection? (A) bacteria (B) seeds (C) influenza (D) disease (E) horses (F) viruses (G) chickenpox (H) bladders

A: A
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Q: Fact1: exercise increases a body 's strength, Fact2: Exercise promotes the formation of more mitochondria., Question: The formation of more mitochondia does what? (A) increases a body's strength (B) lowered energy cost (C) absorb light energy (D) Plant growth is reduced (E) They grow better (F) to move people (G) Help plants grow (H) duplicate itself

A:
A
****