what gas, if released today, would still be in the atmosphere in the year 2120?
CFCs
which pollutant is the shortest lived in the atmosphere?
NH3
Which pollutant could affect both California and Tokyo?
HCFCs
A large release of ______ could impact both San Diego and Miami
HCFCs
Which pollutant had the highest amount of dry weight emitted in 2017?
CO
Which pollutant is mostly emitted through coal combustion?
SO2
Which pollutant is mostly emitted from consumer products?
VOC
Convective cells near the equator
Hadley Cells
The layer of Earth's atmosphere in which we live
Troposphere
The highest level of our atmosphere, with relatively few molecules per unit artea
Thermosphere
A system containing cool air that spreads outward as it descends
High-Pressure system
Reversal of normal vertical temperature distribution in the lower region of the atmosphere
Thermal Invasion
Biome that generally occurs around 30 degrees north and south of the equator
Desert
The layer of Earths atmosphere containing the "ozone layer"
Stratosphere
What gas comprises the largest portion of Earth's atmosphere?
Nitrogen
The relative humidity is the
Amount of water vapor a given volume of air holds compared to the maximum amount it could hold at a given temperature
Which of the following is a secondary air pollutant that can be formed in urban smog?
Ozone
Seasons are a result of _____
Differences in the amount and intensity of sunlight brought about by tilt of Earth's axis
Near the equator, the patterns of convection currents are called ____
Hadley cells
_____ is a device designed to remove airborne pollutants from smokestack emissions.
A scrubber
The huge dust storms that took place in the United States in the 1930s ____.
Were the result of poor farming techniques
Carbon monoxide _____
blocks oxygen transport in human blood
which of the following pollutants has the longest residence time in the atmosphere?
Chlorofluorocarbons (CFCs)
Lead pollution is a problem because lead (Pb)
Causes central nervous system damage in humans
______ is a naturally occurring radioactive gas that may cause lung cancer.
Radon
Photochemical smog differs from industrial smog in that it ____
is formed only in the presence of sunlight
one consequence of CFC pollution damage to the atmosphere is
increased rates of skin cancer in humans
Residence time is _____
length of time a pollutant spends in the environment
In industrialized nations, the two most deadly sources of indoor pollutions are _____
radon and cigarette smoke
Bacteria and fungal spores are potential
causes of "sick building syndrome"
which of the following is a consequence of acid deposition?
it leaches important minerals from soils.
The Coriolis effect ______
is caused by Earth' rotation
The Coriolis effect contributes to ______
Global wind patterns
Most of the _____ released in the United States is from natural sources such as plants
VOCs
In 1970, the source of most of the airborne lead emissions in the United States was ____
gasoline
You have been hired by a rapidly growing small city to improve the air quality, which has deteriorated in the past 10 years. What would be a logical action to improve your local area?
improve transportation options, including carpool lanes, buses, and light rail
Stratospheric ozone is important to ecosystems because it _____.
absorbs and scatters UV light
Temperature increases with altitude through most of the stratosphere because it _____.
heat is released when oxygen and ozone absorb the sund's UV radiation
The decrease in NO emissions in the United States from 1970 to 2013 can be partially attributed to which of the following?
the use of catalytic converters in motor vehicles
The Montreal Protocol _____.
resulted in significant reduction in the production of CFCs by signatory nations.
Earths atmosphere is composed mostly of
nitrogen and oxygen