Blog

Particulate air pollution is a worldwide problem, which has been linked to lung damage, bronchitis, and early mortality. Which of the following best represents the major sources of particulate matter (PM) that contribute to air pollution? [Select the best response.]

Which of the following processes IS NOT an important step in wastewater treatment? [Select the best response]

True or False: The following graph reflects a reduction in lead used in gasoline, resulting in a decrease in average blood lead levels. 

While ocean acidification is reducing the pH of the world’s oceans by approximately 0.05 pH units/year, this rate of change is insignificant.

Ozone can be ‘good’ or ‘bad’, pending on its source. Tropospheric ozone, typically man-made and a component of photochemical smog, is considered ‘bad’, whereas stratospheric ozone, an essential component that screens out UV radiation in the upper atmosphere, is considered ‘good’.

Which of the following represents a potential indicator of climate change?  [Select the best response.]

Gases and particulates represent the major forms of air contaminants. 

Which of the following does not represent an environmental exposure route?[Select the best response.]

While ocean acidification is reducing the pH of the world’s oceans by approximately 0.05 pH units/year, this rate of change is insignificant.

 Vulnerable populations tend to bear a disproportionate burden from environmental pollution, contamination, and other adverse environmental conditions.