Question: John was driving through the Mohave desert. He first added antifreeze to the water in his radiator. He noted that in his journal as case A. Unfortunately, after some time he ran out of antifreeze, and couldn't add antifreeze any more. He noted that as case B. In case A would the engine be hotter or cooler than in case B?
Answer: cooler

Question: Robert studied two groups of patients. Group O had mild allergy symptoms, while group R displayed severe allergy symptoms. Which group experienced itchy eyes?
Answer: Group O

Question: Two farmers tried different methods of growing their crops. Nate used pesticides, while his buddy Don used bacterium that produces a toxin instead. Don was happy with the results. Which farmer used a bacterium that produces a protein that can act as an insecticide?
Answer:
Don