Q: Two teams of researchers studied the environment in Antarctica. Team Black studied air pollution and the ozone layer, Team Red studied the water. Which team didn't observe that aerosol sprays are being released into the atmosphere?
A: Red

Q: Two islands inhabited by many species of finches went through some climatic changes during the past several years. While Park island hat wetter than average years, Boat island experienced years of drought, so many birds died. Which island had more large-beaked birds survive?
A: Boat

Q: Two brothers studied chemistry in school. Ted studied alkanes, while Ned studied cycloalkanes. They both received grade A. Which brother learned less about the boiling points of alkanes?
A: Ned

Q: A team of scientists studied two groups of mice. Group C was exposed to carcinogens, while group N was not. Which group of mice had more tumor development?
A:
Group C