The following chart presents the number of new and abandoned hazardous waste sites found in various regions in the United States by the 1990s. Which region has the greatest number of hazardous waste sites? Estimate the number. a. The NE Central has the greatest number of hazardous waste sites at about 280 hazardous sites. b. The NE Central has the greatest number of hazardous waste sites at about 220 hazardous sites. c. The Mid-Atlantic has the greatest number of hazardous waste sites at about 200 hazardous sites. d. The Mid-Atlantic has the greatest number of hazardous waste sites at about 290 hazardous sites. Please select the best answer from the choices provided