Q: 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. Whose pool will have a higher pH?
A: John

Q: Walter and Jesse, two coworkers, are sitting at a hotel bar having a drink together after a long day at a conference when they start discussing their smoking habits. Walter shares that he has regularly smoked a pack of cigarettes for the past ten years. Jesse says he only smoked a couple cigarettes during college while he was drinking and isn't a regular smoker. Which man is less likely to have lung cancer?
A: Jesse

Q: Jim had a small veggie garden that he planted every year. His brother Rob had a similar patch, and he was also a gardener. The plants in Jim's garden started wilting at some point and he found out that his soil had high salinity and some harmful bacteria that wiled the plants indirectly. Rob's plant were ok, because he adjusted the soil's ph with sweet lime. Which garden had fewer plants wilting?
A: Rob's

Q: Due to economic sanctions and trade embargoes, Cuban citizens primarily use cars designed in the late 1940s and early 1950s. These cars contain engines that were designed before the introduction of the catalytic converter. Meanwhile trade relations between nearby Panama and Japan have enabled the citizens of Panama to drive cars with the most up to date catalytic converter technology possible. Which country's cars, Cuba's or Panama's, will emit less nitrogen oxides?
A:
Panama's