Coal tar is classified as hazardous waste because it can pollute ground water. In brief: GREAT Question ! Asphalt made before the 1980's may contain coal tar products. Coal tar is classified as hazardous waste because it can pollute ground water. In brief: GREAT Question ! Asphalt made before the 1980's may contain coal tar products. Coal tar is classified as hazardous waste because it can pollute ground water.
You may or may not know that Canada is divided into 13 political regions. What you probably don't know is that there are 6 physical regions. They are the Atlantic Region, The Great Canadian Shield, The North, The Plains, The Cordillera and the Great Lakes St. Lawrence Region. Click any of the links below or on the appropriate section of the map to the right to view information on the corresponding region. The Atlantic Region Purple: The North. Green: The Plains. Orange: The Shield. Yellow: Great Lakes St. Lawrence. Pink: The Cordillera. Red: The Physical Regions of Canada; Pictures courtesy of www.get2knowcanada.ca
Ontario, the largest province in Canada, is home to three different landform regions: the Hudson Bay Lowlands (yellow), the Canadian Shield (dark green), and the Great Lakes/St. Lawrence Lowlands (light green).