Gary and Joe are two farmers. Joe's farm has a depleted soil, while Gary started agroforestry a few years back, and grows cover crops. Which farmer didn't help to stabilize the soil?
Ans: Joe

Michael and Robert are both performing a chemistry experiment. The reaction they are performing uses alkenes and hydrogen as reactants. Michael performs the experiment without any additional materials, while Robert performs the experiment while using a platinum catalyst. Who will have a lower reaction rate in their experiments?
Ans: Michael

John is a an ophthalmologist in a local hospital. Today, he has seen two patients, patient A and patient B. Patient A had hyperopia, but patient B didn't have any issues with eyes. John would now treat the patient that have eye problem. For whom John would not prescribe convex lenses, pateint A or patient B?
Ans: patient B

Panama and Ecuador are two neighboring countries. Ecuador uses nuclear fusion to produce its electricity, while Panama uses fossil fuels. Which country burns more coal?
Ans: Panama