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: pollutants have a negative impact on the environment, Fact2: Environment and Health Environment and Health All living things depend on their environment., Question: pollutants have a negative impact on all what (A) tractors (B) circulatory systems (C) near the shoreline (D) living things (E) Electrical energy (F) pavement (G) potholes (H) important habitats

A: D
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Q: Fact1: a breathing mask is used for keeping harmful particles from entering the respiratory system, Fact2: Pulmonologists treat lungs and respiratory systems., Question: what does a breathing mask keep harmful particles from entering? (A) skin (B) tissue (C) stomach (D) h2o (E) H20 (F) air (G) lungs (H) gas masks

A: G
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Q: Fact1: intense heat has a negative impact on an organism, Fact2: Bacteria are killed by intense heat for a certain time., Question: What hurts bacteria? (A) Hot temperatures (B) Abnormal cell growth (C) Cool air (D) Warm water (E) Room temperatures (F) prolactin release (G) some viruses (H) Pollution

A:
A
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