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.
Exposure to fumes or dust in the environment: People that work in close association with chemical fumes or dusts generated in mining, chemical plants or other industries are higher risks for developing emphysema; these risks are further increased if the person smokes tobacco.