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Natural Disasters : Oil Spills

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Introduction
Oil spills are a major form of pollution, they are a result of human negligence, natural disasters, or defects in pipelines. Oil spills deposit crude oil, which is composed mainly of hydrocarbons, or distilled products such as gasoline, kerosene, or diesel fuels into different environments. There are four main types of crude oil spills that affect environments differently; Class A, Class B, Class C, and Class D. If exposed, to Class A, Class B , or Class C, humans may experience toxic effects such as; severe respiratory distress, increased heart rates, dizziness, and anemia.
Different classes of crude oil spills may affect different species differently, including marine mammals, birds, and plantlife that may be near the oil spill. Marine life may become poisoned by the toxic contaminants in their environment. The oil spill that took place in the Gulf of Mexico in 2010 has harmed, or killed, nearly 25,900 marine mammals and over 102 species. Because the oil is difficult to extract from the ocean, much of the pollution remains, and spreads, continually affecting ocean life.
Although the oil is difficult to extract there are many methods that can aid in the removal of toxic chemicals from the ocean. One method is by the use of additional chemicals in a process called, chemical remediation, or chemical oxidation. This method is primarily used when a swift clean up of the oil is necessary. Depending on the hazards the oil poses, and the location of the oil spill

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