CHM 107 Unit 2
The process of evaluating data and making predication in an organized manner of probabilities is called ____ assessment
risk
Particulate matter with the designation PM10 includes particles with an average diameter of 10 ___ or less.
um
Which of the following is a natural source of both ozone & nitrogen oxides?
Lightning
Which compound reacts with ozone reducing it on highways
NO
What correctly describes air pollutants? Select all
Particulate matter is an example of an air pollutant Some air pollutants are hazardous at levels below 1ppm
Which of the following options correctly describe particulate matter? Select all
Some matter can cause heart disease Dust is an example of particulate matter Can originate from fires, car engines, or coal-burning plants
Which are common units of conc. used for air pollutants?
ppm ug/m3 ppb
Environmental effects of So2
Can react with water to form acid rain Can lead to the formation of aerosols
A weather station reports the ambient air temperature. What does this refer to?
The temp of the air at the lowest level of the troposphere
Which of the following species in conversion of NO to NO2
VOC's, OH, O3