Exam Questions and CORRECT
Answers
Fossil fuels are hydrocarbons comprised of primarily carbon and hydrogen and some sulfur,
nitrogen, oxygen, and mineral matter. - CORRECT ANSWER - True
SO2 is a primary pollutant - CORRECT ANSWER - True
Currently natural gas usage accounts for the highest amount of carbon dioxide emissions in the
US - CORRECT ANSWER - False
The primary source for nitrogen oxide emissions in the US is from industries - CORRECT
ANSWER - False
Approximately 90% of the NOx emissions from combustion devices are in the form of NO2. -
CORRECT ANSWER - False
Short-term exposures to low levels of NO2 may lead to changes in airway responsiveness and
lung function in individuals with preexisting respiratory illnesses. - CORRECT ANSWER -
True
Aerosols (formed from sulfate particles) can cause the the planet to warm up - CORRECT
ANSWER - True
Oceans are vital in the energy balance of the earth The great ocean conveyor belt slowdown or
stoppage could lead to a potential catastrophe - CORRECT ANSWER - True
Sulfuric acid is formed when ____. - CORRECT ANSWER - SO2 is oxidized in the
atmosphere to form SO3 and then dissolved in clouds
, Acid rain is known to have the most direct effect on which animal? - CORRECT ANSWER -
Fish
Ozone forms by the reaction of nitrogen oxides and __ . - CORRECT ANSWER - VOCs
In large cities, ozone is at the highest concentration at which time of day? - CORRECT
ANSWER - late afternoon
Ground level ozone is produced directly by combustion - CORRECT ANSWER - False
The largest ozone hole is located over - CORRECT ANSWER - The Antarctic circle
Stratospheric ozone layer is good for us because it prevents harmful _____ radiation from
reaching the earth - CORRECT ANSWER - UV
The ozone hole has __ . - CORRECT ANSWER - lower than 220 Dobson units of ozone
concentration
Sulfates and nitrates that form in the atmosphere from sulfur dioxide (S02) and nitrogen oxides
(NOx) emissions contribute to __ - CORRECT ANSWER - visibility reduction
Greenhouse gases trap the infrared radiation in the atmosphere when it is radiated back from the
Earth - CORRECT ANSWER - True
Carbon Dioxide emissions may be reduced by which one of the following strategies? -
CORRECT ANSWER - Increasing fossil fuel consumpttOn
Increasing coal utilization over natural gas
*****increasing power plant efficiency
Purchasing SUVs