TASK #1: Please refer to the diagram on the next page as well as the text above.Part A: Select two or more of the four major problems from the diagram (labeled as ‘1’, ‘2’, ‘3’ or ‘4’) Record the number of your two problems in your written responseIdentify a gas that contributes to the problems you selectedState one way in which the amount of this gas can be reduced.Part B: Explain why damage to the ozone shield is considered a threat to many organisms. Ozone shield destructionKey to SourcesVehicle'exhaustGlobal warmingMajorProblemsFossil fuelburningAcid depositionPaint solventPesticidesPhotochemicalsmogDeforestationFarmsGasesRefrigerantsFireextinguishersPlastic foamSourcesPlace your answer to the Task #1 prompts in the table below.2.3,seppxo ueboUNHydrocarbonsCarbon monoxideSulfur dioxideCarbon dioxideMethaneChlorofluorocarbonsHalons (contain bromine) Reading #1: Pollutants (source: ck12.org)Particulates reduce visibility. In the western United States,people can now ordinarily see only about 100 to 150kilometers (60 to 90 miles), which is one-half to two-thirdsthe natural (pre-pollution) range on a clear day. In the East,people can only see about 40 to 60 kilometers (25-35 miles),about one-fifth the distance they could see without any airpollution (Figure 1). Particulates reduce the amount ofsunshine that reaches the ground, which may reducephotosynthesis. By reducing sunshine, particulates can alsoalter air temperature as mentioned above. Imagine howmuch all of the sources of particulates combine to reducetemperatures. What effect might this have on globalwarming?Smog is a word describing conditions forming in the air whensmoke combines with high moisture levels known as fog.Hence, SMOG = SMOKE + FOG. Two types of smog arecommon, the classical and photochemical. The former,known as the London Smog, forms in places of wet, yetrather cold climate, with limited sunshine. The latter requireshigher temperatures and plenty of sunshine and is known asLos Angeles Smog. Both types of smog require the presence of hydrocarbons originating from livingFigure 1. Smog in the City of New York,back in 1965 (pre-EPA).objects. More frequently, hydrocarbons are released as a result of burning fossil fuels (coal, naturalgas, gasoline or diesel) or are simply pollutantsfrom human industrial activity. Smog causes eyeand lung irritation, respiratory distress, and isparticularly dangerous in individuals suffering fromasthma or emphysema.Photochemical smog is particularly deadly. Themixture of hydrocarbons and moisture, in additionto sulfur and nitrogen oxides in the presence of theultraviolet radiation from the Sun, forms particularlydeadly smog containing oxidizers including ozone.

Question

TASK #1: Please refer to the diagram on the next page as well as the text above.Part A: Select two or more of the four major problems from the diagram (labeled as ‘1’, ‘2’, ‘3’ or ‘4’) Record the number of your two problems in your written responseIdentify a gas that contributes to the problems you selectedState one way in which the amount of this gas can be reduced.Part B: Explain why damage to the ozone shield is considered a threat to many organisms. Ozone shield destructionKey to SourcesVehicle'exhaustGlobal warmingMajorProblemsFossil fuelburningAcid depositionPaint solventPesticidesPhotochemicalsmogDeforestationFarmsGasesRefrigerantsFireextinguishersPlastic foamSourcesPlace your answer to the Task #1 prompts in the table below.2.3,seppxo ueboUNHydrocarbonsCarbon monoxideSulfur dioxideCarbon dioxideMethaneChlorofluorocarbonsHalons (contain bromine) Reading #1: Pollutants (source: ck12.org)Particulates reduce visibility. In the western United States,people can now ordinarily see only about 100 to 150kilometers (60 to 90 miles), which is one-half to two-thirdsthe natural (pre-pollution) range on a clear day. In the East,people can only see about 40 to 60 kilometers (25-35 miles),about one-fifth the distance they could see without any airpollution (Figure 1). Particulates reduce the amount ofsunshine that reaches the ground, which may reducephotosynthesis. By reducing sunshine, particulates can alsoalter air temperature as mentioned above. Imagine howmuch all of the sources of particulates combine to reducetemperatures. What effect might this have on globalwarming?Smog is a word describing conditions forming in the air whensmoke combines with high moisture levels known as fog.Hence, SMOG = SMOKE + FOG. Two types of smog arecommon, the classical and photochemical. The former,known as the London Smog, forms in places of wet, yetrather cold climate, with limited sunshine. The latter requireshigher temperatures and plenty of sunshine and is known asLos Angeles Smog. Both types of smog require the presence of hydrocarbons originating from livingFigure 1. Smog in the City of New York,back in 1965 (pre-EPA).objects. More frequently, hydrocarbons are released as a result of burning fossil fuels (coal, naturalgas, gasoline or diesel) or are simply pollutantsfrom human industrial activity. Smog causes eyeand lung irritation, respiratory distress, and isparticularly dangerous in individuals suffering fromasthma or emphysema.Photochemical smog is particularly deadly. Themixture of hydrocarbons and moisture, in additionto sulfur and nitrogen oxides in the presence of theultraviolet radiation from the Sun, forms particularlydeadly smog containing oxidizers including ozone.

Accepted Answer

Part A
The 2 selected problem is 3,4
Ozone shield destruction
Global warming

Record the number of your two problems in your written response Identify a gas that contributes to the problems you selected State one way in which the amount of this gas can be reduced.