Problem: Paul and Dirk were studying the human digestive system. paul studied more about the stomach, while Dirk studied more about the jejunum.  Which student read more about the part where most nutrients are absorbed into the blood?

A: Dirk


Problem: Ben and Mike both studied earthquakes, while Mike was more interested specifically in mantle melting and related phenomena.  Which person didn't learn about lowering the melting temperature of the mantle?

A: Ben


Problem: David is a chemical engineer. Yesterday, he was working on two samples, sample A and sample B. Sample A was a strong acid, and sample B was a weak acid. David needed to find the differences between them.  Would sample A lose a proton less or more easily than sample B?

A: more


Problem: Two researchers looked at the human influence on atmospheric carbon dioxide levels. Tim studied a human settlement from 10000 years ago, while Bob studied a present day county.  Which researcher found more carbon dioxide in the atmosphere?

A:
Bob