Which letter represents the type of heat transfer that is primarily responsible for creating winds
Convection
Where meteorites are burnt up in the atmosphere
Mesosphere
When chemicals or gases are released into the atmosphere we call the release what?
Emissions
An effect of the Clean Air Act
Significantly less pollution emissions
Land that is sparsely populated and has few buildings or roads is defined as a(n)
Rural
A ratio that compares the amount of water vapor the air contains to the maximum amount that the air could hold at that temperature is
Relative humidity
2nd layer (from the bottom) of the atmosphere
Stratosphere
An example of a secondary air pollutant
Ozone, acids
The part of the atmosphere above Antarctica that is responsible for scattering UV rays and it has been decreasing lately
Ozone hole
The primary type of land cover in the United States today is
Forest land
A device in a motor vehicle that reduces the amount of air pollutants in emissions is a(n)
Catalytic converter
% of oxygen in the atmosphere
21%
An example of a primary air pollutant
Carbon monoxide
One thing the Clean Air Act enacted to help control air pollution
Fines, caps on emissions, etc.
The clearing of a forest and its replacement by another land use is called:
Deforestation
The boundary between air masses that differs in temperature and moisture is called a(n)
Front
Hottest layer in the atmosphere
Thermosphere
What is the primary source of pollution in our oceans
Oil
An international treaty to address the concerns over a once growing ozone hole
Montreal Protocol
At the average American home, most water use takes place how/where?
Irrigation/the lawn
Pollutants are removed or changed chemically before they leave factory smokestacks by a(n)
Scrubber
Layer of the atmosphere that holds the most (if not all) pollutants
Troposphere
How does carbon monoxide affect human health?
It affects our respiratory system, making it hard to deliver oxygen to parts of the body
Name a natural cause of air pollution that we have no control over (thus can't "remedy"
Volcanoes, wind dust, fire
What phenomena is it called when the downtown area is warmer than the surrounding areas?
Heat island