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.
The medical consequences of nicotine exposure result from effects of both the nicotine itself and how it is taken. Tobacco use accounts for one-third of all cancers. Foremost among the cancers caused by tobacco is lung cancerâthe number one cancer killer of both men and women.