(Question)
Read the passage below and choose the right answer to the following question (choices are increases or decreases ):  More pollutants mean poorer air quality.   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?
(Answer)
increases


(Question)
Read the passage below and choose the right answer to the following question (choices are increase or decrease ):  Bases have pH values above 7. The higher the pH value, the more strongly basic the substance.   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?
(Answer)
decrease


(Question)
Read the passage below and choose the right answer to the following question (choices are increases or decreases ):  If blood volume in the body decreases, blood pressure decreases.   When there is more fluid in a tube the pressure in the tube increases or decreases?
(Answer)
increases