Exam 16: Air Pollution

An aerosol is

The US governmental agency responsible for regulating air pollutants is the

Photochemical oxidation reactions are driven by

Since the 1986 ban on leaded gasoline in the United States,

Which of the following is the best example of synergistic effects?

The most dangerous airborne particulates are those that are

Emissions of all of the following have gone down in the last 40 years except for

Stable air masses over cities and warm updrafts between tall buildings often create _________ in and near cities.

Although coal burning contributes a very small amount, the high mercury levels in fish result from spills of mercury directly into the water.

Which of the following is colorless, odorless, and highly toxic?

The "ozone hole" is a depletion currently most serious

The most common human health response to air pollution is

Anthropogenic sources of carbon dioxide levels in the atmosphere are

Sudbury, Ontario's copper-nickel smelter is notorious for having

There are serious signs that ozone depletion may lead to

Synergistic effects occur when there is more damage of exposure when two factors are together.

Life expectancy for people in U.S. cities with the dirtiest air is significantly lower than for those with cleaner air.

Most air pollution in the world is associated with

A common example of a photochemical oxidant is

Native peoples living in the Canadian Arctic have some of the highest recorded PCB concentrations in their bodies because of