The appropriate response is letter B. The Mayans had a few cultivating strategies they used to develop their harvests, including the cut and consume strategy, terracing and a system utilizing raised fields. The technique utilized by the ranchers relied upon the land. Maya agriculturists utilized a strategy called cut and consume before they started planting crops.
Cold case units/departments.
A cold case is any criminal investigation by a law enforcement agency that has not been solved for (generally) at least one year and, as a result, has been closed from further regular investigations.
Cold case units reexamine these closed cases and try to solve them.