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").

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
D

Fact1: Most fungi get organic compounds from dead organisms., Fact2: Mushrooms and molds are fungi., Question: What can get organic compounds from dead organisms? (A) roots (B) air (C) Most plants (D) nitrogen (E) ferns (F) mushrooms (G) bacteria (H) oxygen
F

Fact1: smoking causes direct damage to the lungs, Fact2: Smoking causes irreversible lung damage by breaking the air sacs within the lungs., Question: What damages air sacs? (A) burning (B) coal (C) Oxygen delivered through cannulas (D) Smoking (E) Drinking alcohol (F) influenza (G) bacteria (H) Cardiovascular exercises

D