Problem: Barry and Will are two geologists. Barry is specialized in subduction zones and new seafloor. Will is specialized in montology. Which person learned more about destruction of oceanic crust?

A: Barry

Problem: Both Alabama and Florida boast great wetlands. The State of Alabama has experienced extensive drainage system due to expansion of farmlands. Their neighboring state Florida had similar system. But recently Florida had dismantled many of their drainage systems, mostly because of pressure from different environmental groups. Would Alabama lose or retain habitat of different species?

A: lose

Problem: Panama and Ecuador are two neighboring countries. Ecuador uses nuclear fusion to produce its electricity, while Panama uses fossil fuels. Which country used fewer radioactive elements?

A: Panama

Problem: Dr. Smith studied a group of people under 65 called group I, and a group of people over 65 called group II. Old age signs were more obvious after the age of 65. Which had more people freeing up their time for hobbies?

A:
group II