sentences: as ability to transport food increases around the world , the available types of food in distant locations will increase & as ability to preserve food increases , the ability to transport food increases ->  if the ability to preserve food and to transport food increases, then the available types of food in distant locations will increase  if the ability to preserve food and to transport food increases, then the available types of food in distant locations will increase & the ability to preserve food and tranport food is part of the transportation technology for food ->  if the transportation technology for food increases, then the avilable types of food in distant locations will increase  if the transportation technology for food increases, then the avilable types of food in distant locations will increase & hawaii is located far from the united states mainland -> if the transportation technology for food increases, then the avilable types of food in hawaii will increase