Problem: Two neighboring countries with similar economies, followed different political and economical agendas. Niger developed its infrastructure and communications technology, while Nigeria didn't. Which country experiences longer commuting times?

A: Nigeria

Problem: An archipelago in the Indian ocean included two very different islands. Snake island was a reptile paradise, inhabited by many species of reptiles. Bird island had few reptiles on it, but had various birds inhabiting it. Which island was inhabited by more snakes?

A: Snake

Problem: Two medical students learned about the human body's defense against pathogens. Niles learned about the body's first line of defense, while Bill learned more about the inflammatory response. Which student learned more about signs of inflammation?

A: Bill

Problem: Two teams were competing in a 5 km race. White team warmed up before the race, but Blue team arrived with a bus late and didn't have time to warm up properly before the race. Which team had fewer athletes with an increased heart rate before the race?

A:
Blue