The Atmosphere And Environment Photoch Composition

TheВ AtmosphereВ andВ EnvironmentВ

Photochemical Smog and Prevention

ClassВ 3/1В GroupВ Members: В ShushanikВ (11), В JunВ BinВ (12), В BobВ (13)В andВ ChinВ KiatВ (26)В В

WhatВ isВ

photochemicalВ

smoke? В WhatВ

areВ theВ

pollutantsВ

engaged? В

ResearchВ

ExplanationВ usingВ

conceptsВ learntВ

(chemicalВ bonding, В

acidВ & В bases, В

particulateВ modelВ

ofВ nature)В

В­В it'sВ " hazeВ inВ theВ

atmosphereВ

accompaniedВ byВ highВ

levelsВ ofВ ozoneВ andВ

nitrogenВ oxides, В

causedВ byВ theВ actionВ

ofВ sunlightВ onВ

pollutants. ”В

В­В photochemicalВ smogВ

isВ composedВ ofВ

primaryВ pollutantsВ (egВ

oxidesВ ofВ nitrogenВ andВ

volatileВ organicВ

compounds)В andВ

secondaryВ pollutantsВ

(likeВ ozone, В whichВ isВ

AnalysisВ

relevantВ

graph/tableВ

(linkВ toВ theВ

graph/table)В

InterestingВ

informationВ

SourceВ

В­В smogВ isВ

mixtureВ ofВ

smokeВ +В fogВ

Gow, В T., В & В

Pidwirny, В M. В

(1996). В

photochemicalВ

smog. В LivingВ

landscapesВ (pp. В ). В

RetrievedВ fromВ

http://dwb4.unl.ed

u/Chem/CHEM86

9J/CHEM869JLin

ks/royal. okanagan.

bc. ca/mpidwirn/at

mosphereandclima

te/smog. html code. В В

В­В SeeВ moreВ at: В

http://reffor.us/ind

ex. php#sthash. zT9

4eR5T. dpufВ

Contributors'В namesВ

(LastВ editedВ date). В TitleВ

ofВ resource. В RetrievedВ

fromВ http://WebВ

addressВ

formedВ fromВ theВ

reactionВ ofВ primaryВ

pollutantsВ withВ UVВ

light)В В

В­В PeroxyacetylВ

NitratesВ (PAN)В

formedВ byВ theВ

reactionВ ofВ NO2В andВ

VOCs. В В

WhatВ areВ theВ

triggers? В WhatВ

areВ theВ sourcesВ

ofВ theВ

contaminants? В

WhatВ kindВ ofВ

reactionsВ

arise? В

WhatВ areВ theВ

effectsВ ofВ

photochemicalВ

smogВ onВ healthВ

andВ

environment? В

WhatВ areВ

possibleВ

consequences? В

В­GroundВ­levelВ ozone, В

sulphurВ dioxide, В

nitrogenВ dioxideВ andВ

carbonВ monoxideВ areВ

especiallyВ harmfulВ forВ

seniorВ citizens, В

kids, В andВ peopleВ

withВ heartВ andВ lungВ

conditionsВ suchВ asВ

emphysema, В

bronchitis, В andВ

bronchial asthma. В

www.sciensage.info/j

ournal/1359642715J

ASR_2609111. pdfВ

В­В ItВ canВ inflameВ

breathingВ passages, В

decreaseВ theВ lungs'В

workingВ capacityВ andВ

causeВ shortnessВ ofВ

inhale, В painВ whenВ

inhalingВ deeply, В

wheezing, В andВ

coughing. В

В­В ItВ canВ causeВ eyeВ andВ

noseВ irritationВ andВ itВ

driesВ outВ theВ

protectiveВ membranesВ

ofВ theВ noseВ andВ throatВ

andВ interferesВ withВ theВ

body'sВ abilityВ toВ fightВ

infection, В increasingВ

susceptibilityВ toВ

health issues. В HospitalВ

admissionsВ andВ

respiratoryВ deathsВ

oftenВ increaseВ duringВ

periodsВ whenВ ozoneВ

levelsВ areВ high. В

HowВ canВ itВ beВ

prevented? В

WhatВ waysВ canВ

theВ pollutionВ

beВ reduced? В

ReduceВ vehicleВ

emissionsВ В

В­В byВ catalyticВ

conversionВ ofВ theВ

exhaustВ gasesВ (NOВ toВ

N2, В COВ toВ CO2, В

hydrocarbonsВ toВ CO2В

+В H2O)В

http://www.slidesh

will be. net/flash3110/p

hotochemicalВ­smo

www.sciensage.info/j

ournal/1359642715J

ASR_2609111. pdfВ

В­В byВ usingВ vehiclesВ atВ

minimalВ levelВ andВ

checkВ theВ engine'sВ

smokeВ emissionВ

frequentlyВ

LifestyleВ changesВ В

В­В smallВ decreasesВ inВ

legalВ speedВ limitsВ toВ

reduceВ nitrogenВ

oxidesВ emissionsВ В

В­В increasedВ usesВ ofВ

publicВ transportationВ

toВ reduceВ

photochemicalВ smogВ

В­В buyВ greenВ

electricityВ­producedВ

byВ low/zeroВ­pollutionВ

facilitiesВ

В­В reduceВ pesticideВ useВ

В­В avoidВ paintsВ withВ

labelsВ clearlyВ

indicatingВ thatВ VOCВ

(volatileВ organicВ

compounds)В limitsВ areВ

highНѕВ switchВ toВ

waterВ­basedВ paintsВ

ExampleВ ofВ

worldВ disasterВ В

ExampleВ ofВ

worldВ disasterВ



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