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: Evolution occurs in response to a change in the environment., Fact2: Extinction is a natural part or the process of evolution., Question: What happens to an environment to cause extinction?  (A) relocation (B) changes (C) rain (D) exposure (E) forces (F) wind (G) Pollution (H) discovery

A: B
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Q: Fact1: Ozone depletion results in higher levels of UV radiation reaching Earth., Fact2: Birds live on Earth, trees live on Earth., Question: what results in higher levels of uv radiation reaching the place birds and trees live? (A) emissions (B) earthquakes (C) oxidation reaction (D) ozone depletion (E) global warming (F) important habitats (G) fairies (H) the ozone layer strengthening

A: D
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Q: Fact1: a greenhouse is used to protect plants from the cold, Fact2: Blizzards are heavy snows, very cold temperatures and high winds., Question: What protects plants from blizzards? (A) exoskeleton (B) rats (C) greenhouses (D) horses (E) The atmosphere (F) peachleaf willow (G) Blankets (H) dogs

A:
C
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