(Question)
Answer the question based on the following text.  Question:   If Mona lives in a city that begins producing a smaller amount of pollutants, what happens to the air quality in that city increases or decreases?    Text:  More pollutants mean poorer air quality.
(Answer)
increases


(Question)
Answer the question based on the following text.  Question:   If Mona is filling her pool with chemicals to change the pH level of the water and she decreases the pH, what happens to the baseness of the water increase or decrease?    Text:  Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.
(Answer)
decrease


(Question)
Answer the question based on the following text.  Question:   When there is more fluid in a tube the pressure in the tube increases or decreases?    Text:  If blood volume in the body decreases, blood pressure decreases.
(Answer)
increases