SCI 1102 Chapter Notes - Chapter 14: Allergen, Mutagen, Lead Poisoning
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Biological hazards. (biological hazards are many times communicable and can be spread from one human to another. Because we can travel worldwide very quickly, our biological hazards can as well. : living on a fault line that is prone to earthquakes is an example of a _____ hazard. Physical (physical hazards occur naturally in the environment. Other examples include tornadoes, floods, volcanoes, and fires. : cigarette smoke and radon are two of the most common _____ hazards. Indoor (most people spend upward of 90% of their time indoors. Without proper ventilation many pollutants can accumulate indoors. Cigarette smoke and radon are the leading indoor hazards. : the use of insecticides (such as ddt) that have been banned by many developed countries goes on in some developing countries. Because the benefits to human health are believed to outweigh the environmental costs (ddt is used to control disease vectors like mosquitoes and flies.
