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: Active immunity results when an immune response to a pathogen produces memory cells., Fact2: Pathogens are germs that cause disease., Question: Active immunity is when an immune response occurs after a germ produces what? (A) harmful substances (B) bioaerosols (C) rapid expansion (D) Allergies (E) anemia (F) it needs them (G) Chemical energy (H) memory cells

A: H
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Q: Fact1: cellular respiration is when a cell converts from oxygen and carbohydrates into carbon dioxide, water, and energy, Fact2: Cellular respiration occurs in the mitochondria., Question: Where does a cell convert oxygen and carbohydrates into carbon dioxide, water, and energy?  (A) Most plants (B) aerobic capacity (C) In the mitochondria (D) the body's largest organ (E) they body they live in (F) Veins and arteries. (G) Organic compounds (H) circulatory systems

A: C
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Q: Fact1: Minerals are chemical elements that are essential for body processes., Fact2: Iron deficiency Anemia is associated with low levels of the mineral iron in the body., Question: What is a chemical element that is essential for body processes? (A) potash (B) atoms (C) arsenic (D) copper (E) H 2 O (F) sodium (G) dihydrogen monoxide (H) iron

A:
H
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