(06.03 HC) The graph below shows the average blood lead leve…

Questions

(06.03 HC) The grаph belоw shоws the аverаge blоod lead levels from 0 to 60 mcg/dL in the United States between 1975 and 2005: Analyze the graph showing the average percentage of lead blood levels in the United States from 1975 to 2005. Use the graph to answer the questions: Describe the trend of average blood lead levels in the United States between 1975 and 2005. Explain one possible reason for the high level of lead in blood tests in 1975. Explain one possible reason for the trend identified in (i). Despite the overall reduction of lead exposure in the United States, there are still areas with high lead level exposures. As of 2019, there were 10 counties in the state of New York with high incidence rates of blood lead levels above 10 micrograms per 1,000 tested children. Describe the effects of lead poisoning on long-term health. Propose one method that could reduce lead exposure at its source.

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