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: a barometer is used to measure air pressure, Fact2: Air Pressure -A barometer measures the weight of the air., Question: What can barometers measure? (A) precipitation (B) Warmer temperatures (C) 295 degrees Kelvin (D) horses (E) compasses (F) 70-75 degrees Fahrenheit (G) nutritious fluid (H) weight of the air
A:
H