Problem: Dan, a renowned pedologist, visited two farms near his home town. Grape farm had depleted soils and a low crop production, while Fruit farm, having parcels with depleted soils in the past, established an agroforestry system starting a decade ago which helped stabilize soil and increase production. Which farm used fewer short-cycle cropping systems?

A: Fruit

Problem: Dr. Jones studied 2 groups of people to see the effects of aging on humans. Group A had people under 35 years old in it, while group B had people over 65. Which group had a normal reflex time?

A: Group A

Problem: Rob was in the East Coast for a month. He had the good opportunity to see various tidal conditions. First he saw the spring tide, which he noted as case A. About a week later he saw the neap tide. He noted that as case B. Rob got curious about the science behind various tidal conditions. Which case would result in less extreme tidal conditions, case A or case B?

A: case B

Problem: Jason recently learned that he has cancer. After hearing this news, he convinced his wife, Charlotte, to get checked out. After running several tests, the doctors determined Charlotte has no cancer, but she does have high blood pressure. Relieved at this news, Jason was now focused on battling his cancer and fighting as hard as he could to survive. Who most likely had a mutation in their genes?

A:
Jason