Two geologists were researching agents of landscape change. Danny studied glaciated environments, while Manny researched those that have never been glaciated. They later compared and exchanged data. Which researcher studied more about glaciers?
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Answer: Danny

Two students learned about respiratory systems in animals. Dana learned more about mammalian lungs, while Barry learned more about the lungs of birds. Which student learned less about surface area for gas exchange between the lungs and bloodstream?
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Answer: Barry

Two friends named Jill and Jane met after many years and had a chat over a cup of tea. Jane was 70 years-old, while Jill was 55. They shared many stories. Which friend had a smaller chance of developing cancer?
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Answer:
Jill