This molecule is in both clean air and polluted air because of its concentration (ppm).
CO2
Cl
C
O2
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Question 2
2 pts
Why is O3 important to life on Earth?
absorbs UVA rays
absorbs UVB rays
reflects UVC rays
absorbs UVC rays
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Question 3
2 pts
The SI unit for energy is:
KE
PE
J
G
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Question 4
2 pts
Heat and temperature are the same.
only when discussing air pollution
false
only when discussing ambient air
true
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Question 5
2 pts
Chemical bonds:
capture energy when formed
store E as PE
all choices are correct
release E when broken
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Question 6
2 pts
Oxygen radicals are formed when:
CFCs stay in the troposphere
UVA rays are absorbed
O3 is formed
ozone is broken down
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Question 7
2 pts
What does the AQI tell us?
the relative amount and type of outdoor air pollutant that is in our area that day
none of these
how fast you will get a sunburn
air visibility
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Question 8
2 pts
Which air pollutant contributes to adverse health effects?
CO
Rn
nicotine
all choices are correct
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Question 9
3 pts
How can you personally reduce air pollution in your house/apartment/dorm room?
no furry pets
all choices are correct
take your shoes off when entering
have indoor house plants
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Question 10
2 pts
How does Penn State reduce indoor air pollution?
redecorate with new carpets
keep windows closed
no cigarette smoking indoors
no air filtration or conditioning
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Question 11
2 pts
Which type of radiation has been shown to contribute to skin cancer?
infrared
UVC
UVB
visible light
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Question 12
2 pts
Which element ‘glows’ under UV light?
P
F
Ph
C
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