True or False Quiz

Choose the best answer.

1		Natural processes that produce pollutants always exceed those caused by anthropogenic processes.
			A)	True
			B)	False
2		Over half of humankind's sulfur contribution to the atmosphere comes from coal burning.
			A)	True
			B)	False
3		The brown appearance of smog comes from the presence of NO2.
			A)	True
			B)	False
4		The gas CH4 is one of the best known VOCs and is the chief component of natural gas.
			A)	True
			B)	False
5		To maintain adequate indoor air quality you need only to maintain a good air filtration system.
			A)	True
			B)	False
6		Air quality in the southeastern United States is occasionally degraded by dust carried from the Sahara Desert.
			A)	True
			B)	False
7		Temperature inversions, which greatly affect smog development, are most common in the late afternoon and early evening hours
			A)	True
			B)	False
8		The Clean Air Act sets standards for both indoor and outdoor air.
			A)	True
			B)	False
9		The pH scale, which a measure of a substance's acidity, is linear, not logarithmic.
			A)	True
			B)	False
10		The atmosphere's vertical temperature profile at a locale greatly affects the dispersion of pollutants from their sources.
			A)	True
			B)	False