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: Mollusks live in most terrestrial, freshwater, and marine habitats., Fact2: Though most trout are freshwater fish, some live in marine waters., Question: What do some mollusks live near? (A) gills (B) rivers (C) desert (D) roads (E) fungi (F) trout (G) clouds (H) water

A: F
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Q: Fact1: cell division often causes growth, Fact2: Mitosis is cell division., Question: What often causes growth? (A) exercise (B) hormones (C) Atrophy (D) collagen (E) Earthworms (F) Apoptosis (G) Necrosis (H) Mitosis

A: H
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Q: Fact1: Cells secrete acids and bases to maintain the proper pH for enzymes to work., Fact2: Acids and bases are electrolytes., Question: What do cells secrete to maintain the proper pH for enzymes to work? (A) Energy (B) Chemical energy (C) water conservation (D) sweating (E) heat energy (F) aqueous solution (G) Organic compounds (H) electrolytes

A:
H
****