Pollutants
A construction site produces a lot of particulates which settle over a surrounding area- would this be considered primary or secondary?
Primary
the majority of air pollution produced by humans accumulates in the __________________ which is the layer of air we breathe- where our weather is
troposphere
A pH sample whas taken from soil in several cities. Here are the results. Which one had the biggest problem with acid rain?
a) Idao 5.5 c) Maine 4.8
b) California 6.1 d) Ohio 4.2
d- ohio
this is released by soil bacteria in farms using ferilizer
nitrogen oxide
VOC's
Volatile Organic Compounds- secondary pollutants
sulfur dioxide from a steel meel reacts with water apor in the atosphere to form sulfuric acid
secondary pollutant
Cold air tends to ________ and warm air tends to _____
sink---- rise
What are the 2 differences between PM10 and PM2.5?
PM10 are larger and PM2.5 can embed in lung tissue
this is a highly reactive form of oxygen
ground level ozone
What is particulate matter?
Smoke, dust or soot that can cause things like asthma
This is a greenhouse gas released by burning fossil fuels but was not one of th original identified criteria pollutants
carbon dioxide
Scientists dettected a thinning of the ozone layer in the 1970s. What patr of the atomosphere is the ozone located in?
Stratosphere
As a result of the Clean Air Act of 1990's amendments, what 2 pollutants did this technology help reduce?
Carbon Monoxide and Nitrogen Oxide
this is a heavy metal that was formerly added to gasoline
lead
Describe the London Smog
A high pressure system caused a temp inversion and resulted in about 4000 deaths that helped lead to clean air act
This is a foul smelling pollutant released by a coal burning power plant
sulfur dioxide
Why is the ozone layer so important for life on earth
it screens out uv rays from sun
If a person is visiting a coal mine and will be encountering particulate particles0.1-0.3 um and larger, what mask might be best for them
a) surgical c) neither
b) KN95 d) Both
B- Kn95
If a person is cooking on an old oven in an un-ventilated kitchen and begins struggling to breathe- give a reason for this
build up of nirtogen dioxide and carbion dioxide in unventilated areas can cause respiratory distress
What pollutant was creating a hole in the ozone layer?
CFC's
This is a colorless and odorless gas released as part of car exhaust
carbon monoxide
The most visible form of pollution in the atmosphere would be???
Particulates
What strategy will most effectively help reduce photochemical smog in a city?
increasing fuel emission standards to reduce nitrogen emissions by vehicles
Why might I cough after sitting oustide next to a fire
I may have inhaled fine particulate matter
What is the benefit of switching from coal to natural gas?
It only produces carbon dioxide