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.
Http://faculty.southwest.tn.edu/rburkett/interactions_of_the_digestive_system.htm
Hope this will help!
Answer:
To prevent harm
Explanation:
If care is used at a reasonable amount, the liability of a patients life is not at your hands as you have taken procedures to prevent them from succumbing to harm.
Try my best to work with the chest compressions until they get here or just try to get to the Er if there isn’t enough time