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