ECOL 1000 Exam 2 UGA Connelly 2025
COMPREHENSIVE EXAM QUESTIONS
|FREQUENTLY TESTED QUESTIONS |RECENTLY
TESTING REAL EXAM QUESTIONS|VERIFIED
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Ozone (trioxygen) molecule consisting of three atoms
Ozone in lower pollutant
atmosphere is a
_______________.
Ozone in higher beneficial
atmosphere is ______________.
The highest levels of stratosphere
ozone are found in the
_____________?
What does ozone do, and -it filters out the Sun's UV light rays (harmful, but also
how is it primarily produce vitamin D)
created? -it's created by UV rays reacting with O2
chlorofluorocarbons were 1920's
invented in the ____________.
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,5/8/25, 6:48 AM ECOL 1000 Exam 2 UGA Connelly 2025 COMPREHENSIVE EXAM QUESTIONS |FREQUENTLY TESTED QUESTIONS |RECENT…
CFC's were chosen safety, chemical properties
primarily for their __________,
and advantageous
___________ ____________.
-coolants in refrigeration systems & air conditioners
What are some principal -solvents to clean electronic components
uses of CFC's? -blowing agents in the production of plastic foams
-propellants in air conditioners
The percentage of use of refrigerants (32%) > blowing agents (28%) > cleaning
CFC's goes in what order? agents (20%) > propellants (18%)
CFC's are _________ and float light, stratosphere
up into the _______________.
T/F: CFC's deplete the True
ozone
We've had a ____% loss of 3%
Ozone
-Eyes: cataracts -> blurred vision, without treatment,
turns to blindness
-Skin: accelerated aging, wrinkling, various forms of
skin cancer
What are the potential -Immune System: reduced immune response makes
effects of UV light? body susceptible to infectious diseases
-Crops: interference with photosynthesis -> lower
crop yields
-Marine Life: radiation affects growth of
phytoplankton (mainstay of food chain)
CFC's ___________ decrease, increase
(increase/decrease)
ozone, therefore they
permit a(n) ____________
(increase/decrease) in UV
radiation.
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,5/8/25, 6:48 AM ECOL 1000 Exam 2 UGA Connelly 2025 COMPREHENSIVE EXAM QUESTIONS |FREQUENTLY TESTED QUESTIONS |RECENT…
Frank Sherwood Rowland discovered that CFC's were leading too ozone
Video depletion
international treaty created to reduce damage being
caused to stratospheric ozone layer by air pollutants
1987 Montreal Protocol
(all UN member states approved it, and ozone
expected to recover by 2050)
In the stratosphere ozone good
is (good/bad)
In the troposphere ozone bad
is (good/bad)
How to chemically make hydrocarbons + NOx -> (UV light) = O3
ozone =
T/F: ozone in lower False
atmosphere is not
hazardous to your health.
NOx is produced by automobile exhaust
what?
Hydrocarbons are automobile exhaust & trees (turpentine)
produced by what two
things?
Hydrocarbons & nitrous heavy
oxide are _______, and sink
to ground level.
With high ozone level the asthma, bronchitis, heart attack
potential health risks such
as ___________, ___________, ________,
etc increase.
There is an increase risk of 30
dying from lung disease of
over _____% in cities with
high ozone
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, 5/8/25, 6:48 AM ECOL 1000 Exam 2 UGA Connelly 2025 COMPREHENSIVE EXAM QUESTIONS |FREQUENTLY TESTED QUESTIONS |RECENT…
In the stratosphere ozone destroyed, CFC's
is being ______________ by
_______________
In the troposphere ozone created, NOx & hydrocarbons
is being _______________ by
____________ and ____________
The biological effects the UV penetration
destruction of ozone has
in the stratosphere is ____
___________________
The biological effects the irritation of eyes & respiratory systems
creation of ozone has in
the troposphere is what?
Is the condition of ozone improving
being destroyed in the
stratosphere improving or
worsening?
Is the condition of ozone worsening
being created in the
troposphere improving or
worsening?
History of Ozone?
-pollution control check-up for your car
-buy fuel-efficient cars
Steps to solve the ozone
-use creams in tubes not propellant foams in cans
problem:
-use paper cups, not styrofoam cups
-use washable, not dry-clean-only clothing
crude oil (liquid)
Forms of hydrocarbons
natural gas (gas)
(3):
coal (solid)
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