Problem: Tom and John are both pool owners. Tom prefers to use sodium bisulfate in his pool because he enjoys the smell. John, however, prefers using sodium carbonate in his pool because he believes it helps keep pests away. Given the paragraph above, please answer correctly the following question: Whose pool will have a higher pH?

A: John

Problem: Two sister cities, located at different altitude, are affected differently by climate change. Bergen is at 60 degrees N, while Seattle is at 47 degrees N latitude. Given the paragraph above, please answer correctly the following question: Which city feels less drastic effects of climate change?

A: Seattle

Problem: Two researches studied living organisms, Joe studied eukaryotes, while Bill studied prokaryotes. They were fascinated by genetic variation. Given the paragraph above, please answer correctly the following question: Which researcher observed fewer cells directly exchange DNA (usually plasmids) with other cells?

A: Joe

Problem: Dorian goes to the eye doctor to figure out what is wrong with his vision. Ever since he was a child things that were far away seemed very blurry to him but it didn't affect his ability to read or play with friends so it never really bothered him. After the doctor gave him an eye exam he was given a new pair of glasses to correct Given the paragraph above, please answer correctly the following question: Given both of Michael's parents needed glasses, will the chance that Michael needs glasses increase or decrease?

A:
increase