Question

1. Match the definitions at the left with the most appropriate term on the right. NOTE: A given term in the right-hand column may or may not be used more than once. _An example of a secondary air pollutant A. PM2.5 Estimated number of children worldwide under 5 years of age B. PM10 that are killed by air pollution each year Geographic region where about two-thirds of all air pollution C. Carbon monoxide (CO) related deaths occur D. Nitrogen dioxide (NO2) Geographic area where coal use has accelerated dramatically since about 2004 E. Ozone (O3) Compound formed when atmospheric gases chemically interact F. Molecular nitrogen (N2) at high temperatures and pressures (as occur inside gasoline- _burning car engines or coal-fired furnaces) G. Molecular oxygen (O2) Compound that is the majority component of natural gas H. Sulfur dioxide (SO2) Fossil fuel composed of hydrocarbons formed from the 1. Methane (CH4) incompletely decomposed remnants of ancient aquatic microbes J. VOCs Compound that combines with water vapor in the atmosphere to _form nitric acid and, therefore, acid rain K. Sub-Saharan Africa The direction that the concentration of air pollutants in the U.S. L. Asia has been trending since 1970 M. Eurasia The year that natural gas surpassed coal as the predominant _fossil used to generate electricity in the U.S. N. Clean Air Act Air pollutant that is second only to particulates in its potential negative health effects 0. Air Pollution Act Gas that makes up 21% of Earth's atmosphere Acronym for particulates so small that they may pass directly Q. Natural gas from one's lungs to one's bloodstream R. Coal The year that coal consumption in the U.S. began its ongoing, _multi-year decline S. Aerosol Fossil fuel that produces the least amount of CO2 when burned T. Donora, PA to produce electricity Acronym for category of organic compounds that vaporize U. Morgan Town, WV when exposed to the air (e.... spilled gasoline or fingernail polish V. London, England _remover) and contribute to photochemical smog General name for solid and liquid particles suspended in the air W. Downward (or declining) that are so small they do not readily settle out because of gravity X. Upward (or increasing) City in which over 4000 people died in 1952 during a severe air Y. 570,000 pollution event U.S. Federal legislation enacted to control air pollution (not just Z. 5700 _research the problem) AA. 2015 Compound that can bind with the hemoglobin of red blood cells BB. 2008 and therefore, starve the brain (and other organs) of oxygen P. Oil

Answer 1

1. An example for secondary air pollutant- ozone

2. Estimated number of children worldwide under 5 years of age that are killed by air pollution-570,000

3. Geographic region where about two thirds of all air pollution related deaths occur- Asia Pacific

4. Geographic region where coal use has accelerated dramatically since about 2004- Asia

5. Compound formed when atmospheric gases chemically interact at high temperatures and pressure(as occur inside gasoline burning car engines or coal fired furnances)- carbon monoxide

6. Compound that is the majority component of natural gas-methane

7. Fossil fuel that is composed of hydrocarbons formed from the incompletely decomposed remnants of ancient aquatic microbes- coal

8. Compound that combines with water vapour in the atmosphere to form nitric acid and therefore acid rain- nitrogen dioxide

9. The direction that the concentration of air pollutants in the US has been trending since 1970- downward or declining

10. The year that natural gas surpassed coal as the predominant fossil used to generate electricity in US-2015

11. Air pollutant that is second only to particulates in its potential negative health effects- PM10

12. Gas that makes up 21% of Earths atmosphere- oxygen

13. Acronym for the particulates so small that they may pass directly from one’s lungs to one’s blood stream- PM2.5

14. The year that coal consumption in US began its ongoing, multi-year decline-2008

15. Fossil fuel that produces the least amount of Co2 when burned to produce electricity- Natural gas

16. Acronym for category of organic compounds that vaporize when exposed to the air( eg spilled gasoline or finger nail polish remover) and contribute to photochemical smog- VOCs

17. General name for solid and liquid particles suspended in the air that are so small they do not readily settle out because of gravity- aerosols

18. City in which over 4000 people died in 1952 during severe air pollution event- London,England

19. US federal legislation enacted to control air pollution (not just research problem)- Clean Air Act

20. Compound that can bind with the hemoglobin of red blood cells and there fore, starve the brain of oxygen- nitrogen dioxide(NO2)