According to the "Model Floodplain Ordinance", what is the tool or process that communities are encouraged to use to allow them to monitor and regulate construction in a known floodplain? Question 12 options: A) The community should require everyone on the floodplain to pay for flood insurance. B) The community should require everyone building on a floodplain to get a building permit. C) The community should use sheriff's deputies to patrol the floodplain and stop all construction related activities. D) The community should use aircraft and geographers to observe and map all new construction on the floodplain