Tar, carbon monoxide, nitrogen oxides, theyre harmful because they cling to the red cells in the blood and up to 15% of a smoker's blood may be carrying carbon monoxide round the body rather than oxygen.Smoking 'lower tar' cigarettes can increase the carbon monoxide levels as smokers inhale more deeply.Cigarette smoke has high levels of nitrogen oxide.
Hope that helps
Hi !
As a knowledgeable EMT, you recognize that a cerebral contusion is:
<em>- bruising and swelling of the brain tissue.</em>
Heavy industry, manufacturing and agriculture are three of the major causes of pollution of the Great Lakes system. The production of persistent organic pollutants (POPs) such as PCBs, DDT and dioxins, had previously been of principal concern. This does not account for all of the pollution, but are a majority of the blame. Chemical pollution, Plastic pollution, and Nutrient pollution have been devastating to The Great Lakes.
The causes of freshwater pollution are varied and include industrial wastes, sewage disposal, runoff from farmland, cities, and factory effluents, and the build-up of sediment. Emissions from factories and vehicles are released into the air.
Therefore, answers should be:
Industrial waste, sewage disposal and, runoff.
0.15 percent
BAC is the blood alcohol level in the body, and your body is able to eliminate about 0.15% of the blood alcohol present per hour. When a person consumes alcohol, 10% of the alcohol is lost from breath, sweat and urine. The remaining 90% is metabolized in the body.
The answer is D) Can contribute to fear of looking foolish