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: Biomass is the total mass of organisms at a trophic level., Fact2: Each stage is a trophic level., Question: The total mass of organisms in an environmental stage is called what? (A) food pyramid (B) extinction (C) ecological pyramid (D) food chain (E) vegetation (F) food (G) ligt (H) biomass

A: H
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Q: Fact1: a plant requires sunlight to grow, Fact2: During the day, sunlight warms the soil., Question: When do plants grow the most? (A) week days (B) during the day (C) during winter days (D) bloom time (E) one celled organisms (F) by indirect light (G) in the morning (H) in the autumn season

A: B
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Q: Fact1: when sound reaches the ear , that sound can be heard, Fact2: Otoacoustic emissions are sounds the ear generates., Question: What are the vibrations in the ear called? (A) intensity (B) very complex (C) melanin content (D) lamphreys (E) Otoacoustic (F) weater (G) Seisometers (H) trucks and cars

A:
E
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