Problem: Peter decided to sugar mangoes, ginger, pineapples, peaches to preserve them for next spring. He also bought blueberries and raspberries to eat fresh. Which fruit had a higher sugar content, ginger or blueberries?

A: ginger

Problem: Two university students studied different types of drugs for their exams. Kate studied statins, while Carol studied anti-depressants. Which student learned more about an inhibitor of HMG-CoA reductase?

A: Kate

Problem: Two countries were neighbors, separated by a mountain range. Ghana used fossil fuels to produce energy, but one of the consequences of that was increased air pollution and acid rain. Brunei was a country inhabited by nature lovers and tree huggers, so they were very protective of their environment. Which country had more precipitation with a low pH?

A: Ghana

Problem: Sarah and Lydia are two sisters that have been learning how to farm since they were kids. After graduating college, they both started their own farms and have been working on their own for several years now. At a family get together, Sarah mentions that her farm is experiencing soil salination. Lydia finishes swallowing her bite of cake and remarks that her farm has never experienced that before. Who will be able to grow more plants?

A:
Lydia