Q: Keith was measuring the attributes of thermoclines. He selected two locations. One is near Miami, which is in the tropic. The other is near New York, which is in higher latitude. In total, he took four samples, sample A, sample B, sample C, and sample D. From Miami thermocline he took sample A. Then from below Miami thermocline he took sample B. From New York thermocline he took sample C. Finally, from below New York thermocline he took sample D. Would thermocline of sample C be deeper or shallower than the thermocline of sample A?
A: shallower

Q: Robert and Justin are both patients in the hospital who are suffering complications from their HIV infections. The doctor is trying to get information from both men about their diseases so he can create customized treatment plans for both men. After a few questions, the doctor discovers that Robert has been infected with HIV for many years, while Justin's infection is quite recent. Who will have a larger number of T cells in their body?
A: Justin

Q: Ian is looking to buy a new pair of glasses. When he goes to the eye doctor he is told he is Farsighted. He is outside he can see things that are far away very clearly but when things are close to him they get blurry. With his new glasses he is now able to see things that are near him because they focus what he sees farther forward in his eyes, Will nearby objects be easier or harder for Ian to see when they are wearing corrective glasses?
A: easier

Q: In the sixteenth century the State of Michigan had forests all over. But that has long been gone. Especially, in the state's northeast part the vegetation has been cleared in the twentieth century. Wooded areas were replaced by farm lands. All these farmlands were under heavy Irrigation. At one time, in the sixteenth century, plant species like elm and oak used to be plentiful. We still had some elms and oaks in the twentieth century, but they were not great many in number. Was the mobilized salts in increased or decreased level in northeast Michigan in the twentieth century?
A:
increased