advantages: coal is plentiful and energy dense, technological demands for surface mining are small and costs are low; oil is convenient to transport/use, energy dense, burns cleaner than coal and is more CO2 efficient than coal; natural gas contains fewer impurities than coal and oil and releases 60% as much CO2 as coal does.
Which of the following conditions is most likely directly linked to tobacco use? A. influenza B. lung cancer C. pneumonia D. diabetes. Lung cancer is most likely directly linked to tobacco use.
Using smokeless tobacco: 1  Can lead to nicotine addiction1,2. 2  Causes cancer of the mouth, esophagus (the passage that connects the throat to the stomach), and pancreas (a gland that helps with digestion and maintaining proper blood sugar levels)1,2. 3  Is associated with diseases of the mouth1, 3.