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Ozone Depletion: Understanding the Role of CFCs and the Montreal Protocol, Quizzes of Environmental Science

Definitions and background information on various terms related to ozone depletion, including the role of chlorofluorocarbons (cfcs) as the 'main culprit', the montreal protocol and its amendments, the clean air act of 1990: title iv, and the consequences of radiation damage caused by ozone depletion.

Typology: Quizzes

2011/2012

Uploaded on 05/12/2012

jim-marra
jim-marra 🇺🇸

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TERM 1
Ozone
DEFINITION 1
created in a stratosphere prevents high evergy ultra-violet
light (type B) from striking the planet's surface and
interacting with living organisms.
TERM 2
Chlorofluorocarbons (CFC's)
DEFINITION 2
Ozone Depletion "main Culprit" CFC's are considered the pinnacle
of chemical development becasue t hey:-will not burn, last 50
years-possess excellent heat transfe r properties-are relatively
chemically inert- Have no know hum an or animal toxcity-replaced
highly toxic ammonia as a heat trans fer material-used extensively
as a aresol vehicle (propellant)
TERM 3
Montreal Protocol (1987)
DEFINITION 3
scale back CFC production by 50% by 20001990-
amendment to completelyphase out ozone-destroying
chemicals by 20001992- ammendment to completely phase
out ozone-destroying chemicals by 1996
TERM 4
The Clean Air Act of 1990: Title IV
DEFINITION 4
-Restricts production, use, emissions, and disposal of ozone
depleting c-hemicals.- Regulates the servicing of
refrideration and air conditioning units.
TERM 5
Radiation damage
DEFINITION 5
Skin Damageskin cancer, premature agingEye
damageCataracs, blindnessEcosystemdue to radiation
induced genetic changes
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TERM 1

Ozone

DEFINITION 1 created in a stratosphere prevents high evergy ultra-violet light (type B) from striking the planet's surface and interacting with living organisms. TERM 2

Chlorofluorocarbons (CFC's)

DEFINITION 2 Ozone Depletion "main Culprit" CFC's are considered the pinnacle of chemical development becasue they:-will not burn, last 50 years-possess excellent heat transfer properties-are relatively chemically inert- Have no know human or animal toxcity-replaced highly toxic ammonia as a heat transfer material-used extensively as a aresol vehicle (propellant) TERM 3

Montreal Protocol (1987)

DEFINITION 3 scale back CFC production by 50% by 20001990- amendment to completelyphase out ozone-destroying chemicals by 20001992- ammendment to completely phase out ozone-destroying chemicals by 1996 TERM 4

The Clean Air Act of 1990: Title IV

DEFINITION 4 -Restricts production, use, emissions, and disposal of ozone depleting c-hemicals.- Regulates the servicing of refrideration and air conditioning units. TERM 5

Radiation damage

DEFINITION 5 Skin Damageskin cancer, premature agingEye damageCataracs, blindnessEcosystemdue to radiation induced genetic changes