Detailed Instructions: 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").
Problem:Fact1: air pollution can cause the pH of soil to decrease, Fact2: Some soils are more sensitive than others to the acid dropped by air pollution., Question: some soils are more sensitive than others to a lowered what (A) p53 (B) HPV (C) CO2 (D) wolf population (E) light level (F) pH (G) sea level (H) dam
Solution:
F