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).

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: Less oxygen absorption means _____ oxygen in the blood. 
 Choices: A)more 
B)less
less

Paragraph: Greater use of oil and other fossil fuels causes more pollution.
 Question: When we have less cars on the road the pollution levels 
 Choices: A)decrease 
B)increase
decrease

Paragraph: But the more computing power that goes into the model and the care with which the scientists construct the model can increase the chances that a model will be accurate.
 Question: Jeff added less and less processors to the supercomputer. The supercomputer will now likely be _____ powerful. 
 Choices: A)more 
B)less
less