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Lead Poisoning

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"Our Nation's Air - Status and Trends through 2008 - Download Graphics." Download Graphics. US Environmental Protection Agency, n.d. Web. 30 May 2016. https://www3.epa.gov/airtrends/2010/dl_graph.html.

Lead is a potent neurotoxin that can cause developmental delays in young children, among other symptoms. Often this is from exposure to lead paint in older homes, but lead is also an air pollutant. The graphic above shows sources of air pollutants in the United States, as of 2010.

According to the graph, which source produces the most lead as an air pollutant?

A

Stationary fuel combustion.

B

Industrial and other processes.

C

Highway vehicles.

D

Non-road mobile.

E

None of the above.