Detailed Instructions: 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).
Problem:Paragraph: Smoking reduces the amount of oxygen available for diffusion at the lungs, so less oxygen gets absorbed and blood is oxygenated to a lesser degree.
 Question: Jim has never been a smoker. If he suddenly starts smoking cigarettes the amount of oxygen available in his lungs 
 Choices: A)increases 
B)decreases
Solution:
decreases