<http://schema.org/description>
"Counterintuitively, air pollution is often much worse inside the home than it is outdoors. A tremendous number of different types of pollutants can enter the home through common products and remain trapped there. Take this quiz to see if you&amp;#039;ve learned enough about indoor air quality to allow yourself to breathe easily."^^<http://www.w3.org/2001/XMLSchema#string>
<http://home.howstuffworks.com/home-improvement/household-safety/tips/indoor-air-pollution-quiz6.htm>