Select one of the following major contaminants as the topic of this assignment:

Select one of the following major contaminants as the topic of this assignment:

• benzene

• lead

• chromium

• mercury

• arsenic

Write a 700- to 1,050-word paper addressing the following regarding your chosen contaminant:

• The contaminant

• The sources of the contaminant

• Physical properties of the contaminant

• The routes of exposure–absorption–for the contaminant

• The pathway of distribution–transport–for the contaminant

• The uptake of your contaminant across the cell wall or membrane

Include an introduction and conclusion.

Format your paper consistent with APA guidelines.

Utilize at least two references that are different than the course materials. Course material references can also be used, but at least two additional references need to be used as well.

Click the Assignment Files tab to submit your assignment.

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