You are given a short paragraph, a question and two choices to answer from. Choose the correct answer based on the paragraph and write the answer(not the key).
Q: Paragraph: The density of the atmosphere decreases with an increase in the height above sea level (altitude).
 Question: the pilot was looking at the barometer in his airplane. he saw that with an increase in height made the density be 
 Choices: A)higher 
B)lower
A:
lower