ES: Unit 10 Air Pollution and Climate Change
chlorine atoms can destroy many stratospheric ozone molecules
Chlorofluorocarbons are environmentally significant because
carbon dioxide
The most significant greenhouse gas emitted in large quantities by human society and has increased in our atmosphere steadily over the past 50 years
carbon monoxide
What odorless gas can lower the level of oxygen carried in the blood
4.1
What pH measurements of rainwater would indicate acid precipitation?
Clean Air
Which act passed in 1970 gives the EPA the authority to regulate vehicle emissions in the United States
water vapor
Which of the following gases is most responsible for the greenhouse effect
greenhouse
a gas composed of molecules that absorb heat from the sun
smog
a mixture of smoke and fog produced from industrial pollutants and burning fuels
CFC
abbreviated term for hydrocarbons in which some or all of the hydrogen atoms are replaced by chlorine and fluorine
acidification
acid rain causing a drop of pH of soil and water is called
smog formed in the presence of sunlight
an example of a secondary pollutant is
ozone
forms when automobile emissions react with oxygen gas and ultraviolet rays
sea
global warming would cause these levels to rise
20 to 30
how many years does it take for chlorofluorocarbons released from Earth's surface today to reach the atmosphere
ventilation
mixing outdoor air with indoor air is called
fuel burning
most air pollution is produced by
chlorine
ozone holes appear in polar regions during springtime when ozone-destroying _____________ atoms are released from polar stratospheric clouds
increase the risk of cancer
radon and asbestos are similar in that they both
acid shock
sudden runoff of large amounts of highly acidic water into lakes and streams
lead
the EPA required the gradual elimination of which element from gasoline, decreasing its pollution by 90% in the United States
air pollution
the contamination of the atmosphere by wastes from sources such as industrial burning and automobile exhausts is called
electricity production
the largest producer of primary air pollutants in the United States
decibel
the most common unit used to measure loudness
drought
this agricultural problem would become more prevalent if global warming continues
asbestos
this dangerous material is used as an insulator and fire retardant
radon
this is a colorless odorless tasteless gas that is radioactive
global warming
this is a gradual increase in the average global temperature
particulate
this matter describes fine and course particles
ozone
this molecule is made up of three oxygen atoms
Kyoto
this protocol was an international treaty where countries agree to reduce their emissions of carbon dioxide by 2012
secondary pollutant
this type of pollutant forms in the atmosphere by chemical reactions with primary air pollutants, natural components in the air or both
primary pollutant
this type of pollutant is put directly into the atmosphere by human or natural activity
bronchitis
this upper respiratory infection can be a short term effect of air pollution
electric power plants
two-thirds of the sulfur dioxide that pollutes the air is produced by
damage genetic material in cells
ultramagnetic radiation is dangerous because it can
burning of fossil fuels
what contributes most to acid precipitation
aluminum
what toxic substance is leached into a lake when conditions are acidic