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

[Q]: Fact1: soil is formed by rocks eroding, Fact2: Rivers erode the rocks they flow over., Question: What is formed by rivers? (A) fish (B) soil (C) rain (D) bamboo (E) spring (F) clouds (G) kayaks (H) NaCl
[A]: B

[Q]: Fact1: if an organism becomes too hot then that organism may die, Fact2: Death, and the process of dying, is the final phase of life., Question: If an organism becomes too hot, what might it experience? (A) carbon dioxide loss (B) anemia (C) death (D) cancer (E) disease (F) digestion (G) freezing (H) sweat
[A]:
C