Which of the following would most likely utilize a particulate control device?
a.
a vacuum cleaner
b.
a factory smokestack
c.
a laundry dryer
d.
all of the above
answer
d.
all of the above
question
Landfill waste results in air pollution as _______.
a.
garbage decomposes and releases methane
b.
radon trapped in garbage is released
c.
paint and hairspray cans break down
d.
vandals set fire to flammable waste
answer
a.
garbage decomposes and releases methane
question
Which two layers of the atmosphere are responsible for the majority of solar radiation absorption?
a.
stratosphere and troposphere
b.
stratosphere and thermosphere
c.
troposphere and thermosphere
d.
troposphere and mesosphere
answer
b.
stratosphere and thermosphere
question
Which of the following is not a health risk associated with a depleted ozone layer?
a.
respiratory illness
b.
skin cancer
c.
cataracts
d.
all of the above
answer
a.
respiratory illness
question
Air pollution only occurs as a result of human activity.
answer
false
question
Where is over 95% of incoming ultraviolet radiation absorbed?
a.
the stratosphere
b.
the mesosphere
c.
the troposphere
d.
the thermosphere
answer
a.
the stratosphere
question
Ozone located in the troposphere is _______.
a.
considered a pollutant
b.
beneficial to living organisms
c.
higher in concentration than ozone in the stratosphere
d.
all of the above
answer
a.
considered a pollutant
question
Ozone forms near the ground when pollutants from cars are exposed to UV radiation and oxygen. This is an example of a _______.
a.
primary pollutant
b.
secondary pollutant
c.
tertiary pollutant
d.
none of the above
answer
b.
secondary pollutant
question
Acid rain is the direct result of acid released by burning fossil fuels.
answer
false
question
Which of the following is(are) non-technological ways of improving air quality?
a.
using public transportation
b.
building wind turbines
c.
turning lights off when leaving a room
d.
both a and c
answer
d.
both a and c
question
Which of the following groups of people would be the least affected by air pollution?
a.
people with asthma
b.
infants
c.
teenagers
d.
the elderly
answer
c.
teenagers
question
Halogens are destructive to ozone because they are highly reactive with oxygen.
answer
true
question
Explain the role of the ozone layer in sustaining life on Earth.
answer
The ozone layer helps regulate the Earth's temperature by absorbing a large percentage of the UV radiation entering the atmosphere. This protects living organisms from exposure to large amounts of UV radiation, maintains livable climates, and regulates the amount of harmful ground-level ozone.
question
Compare the health and environmental risks associated with ground-level ozone to the health and environmental risks associated with ozone layer depletion.
answer
oth ground-level ozone and depletion of the ozone layer cause environmental and health concerns. Ground-level ozone is a pollutant that is harmful to organisms when it is breathed in. Ozone in the troposphere can also cause an increase in surface temperatures. Depletion of ozone in the stratosphere causes health and environmental risks indirectly. Since ozone absorbs UV radiation, having less ozone in the stratosphere means more UV radiation will reach the troposphere. This causes greater risk of skin cancer and cataracts. Changes to global climate and harmful effects to plant life are also concerns.
question
Explain why components that are naturally found in air can be considered air pollutants.
answer
Components of air, like carbon dioxide, can be considered pollutants when human activity causes their concentration to be larger than normal. At higher concentrations, naturally occurring gases can have undesirable consequences on the environment. High levels of carbon dioxide can cause an increase in Earth's temperatur
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