Astr 207 final spring 2019 PDF

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MULTIPLEȱCHOICE.ȱȱChooseȱtheȱoneȱalternativeȱthatȱbestȱcompletesȱtheȱstatementȱorȱanswersȱtheȱquestion. 1) Theȱ ȱisȱwarmȱbecauseȱit A) absorbsȱvisibleȱlight. B) absorbsȱ C) containsȱgreenhouseȱgases. D) absorbsȱinfraredȱlight. E) absorbsȱultravioletȱlight.

1)

2) Theȱproperȱorderȱofȱtheȱlayersȱofȱaȱgenericȱatmosphereȱfromȱ A) stratosphere,ȱtroposphere,ȱexosphere,ȱthermosphere. B) troposphere,ȱstratosphere,ȱexosphere,ȱthermosphere. C) ,ȱstratosphere,ȱthermosphere,ȱ . D) stratosphere,ȱtroposphere,ȱthermosphere,ȱexosphere. E) noneȱofȱtheȱabove

tȱis

2)

3) Theȱstrengthȱofȱtheȱ ȱeffectȱdependsȱon A) aȱplanetȇsȱdistanceȱfromȱtheȱSun. B) theȱamountȱofȱgreenhouseȱgasesȱinȱtheȱatmosphere. C) theȱtiltȱofȱaȱplanetȇsȱaxis. D) aȱplanetȇsȱtemperature. E) aȱplanetȇsȱ ȱandȱrotationȱ .

3)

4) SupposeȱEarthȇsȱatmosphereȱhadȱ wouldȱbe A) ,ȱwhichȱisȱwellȱbelowȱ . B) 293ȱK,ȱorȱaboutȱ5ȱKȱwarmerȱthanȱitȱisȱnow. C) 288ȱK,ȱorȱaboutȱtheȱsameȱasȱitȱisȱnow. D) 273ȱK,ȱorȱaboutȱtheȱfreezingȱpointȱforȱwater. E) 283ȱK,ȱorȱaboutȱ5ȱKȱcoolerȱthanȱitȱisȱnow.

4)

.ȱThenȱEarthȇsȱaverageȱsurfaceȱtemperature

5) Earthȇsȱ ȱprimarilyȱbyȱwhichȱprocess? A) Absorptionȱofȱ ȱbyȱ B) ConvectionȱfromȱtheȱEarthȇsȱsurface. C) Absorptionȱofȱinfraredȱradiationȱbyȱgreenhouseȱgases. D) Atomsȱandȱmoleculesȱabsorbȱinfraredȱsunlight. E) Absorptionȱofȱvisibleȱlightȱbyȱozone.

5)

6) Whyȱ ȱEarthȇsȱatmosphereȱ ? A) Allȱtheȱhydrogenȱwasȱblastedȱawayȱduringȱtheȱearlyȱbombardmentȱstageȱofȱtheȱsolarȱsystem. B) Theȱhydrogenȱisȱfrozenȱinȱtheȱpolarȱiceȱcaps. C) EarthȱformedȱtooȱcloseȱtoȱtheȱSunȱforȱanyȱplanetesimalsȱtoȱhaveȱhydrogen. D) Allȱtheȱhydrogenȱreactedȱwithȱoxygenȱandȱformedȱtheȱoceans. E) ȱsuchȱasȱhydrogenȱmoveȱfasterȱthanȱheavierȱgasesȱandȱescapeȱfromȱEarthȇs gravitationalȱfield.

6)



7) Whatȱisȱtheȱdifferenceȱinȱmeaningȱbetweenȱtheȱterms ? A) Weatherȱrefersȱtoȱwindȱandȱrain,ȱandȱclimateȱrefersȱtoȱprocessesȱlikeȱconvection. B) Weatherȱrefersȱto ,ȱandȱclimateȱrefersȱtoȱlong -term variationsȱinȱconditions. C) Weatherȱrefersȱtoȱlocalȱconditions,ȱandȱclimateȱrefersȱtoȱglobalȱconditions. D) Thereȱisȱnoȱdifferenceȱbetweenȱweatherȱandȱclimate. E) Weatherȱrefersȱtoȱsmallȱstorms,ȱandȱclimateȱrefersȱtoȱlargeȱstorms.

7)

8) Whyȱ ȱlikeȱMarsȱandȱEarthȱdo? A) Itsȱrotationȱaxisȱisȱ . B) Itȱdoesȱnotȱhaveȱanȱozoneȱlayer. C) Itȱdoesȱnotȱrotateȱfastȱenough. D) ItȱisȱtooȱcloseȱtoȱtheȱSun. E) allȱofȱtheȱabove

8)

9) Whatȱareȱ ? A) gasesȱthatȱabsorbȱvisibleȱlight B) gasesȱthatȱtransmitȱvisibleȱlight C) gasesȱthatȱ D) gasesȱthatȱtransmitȱinfraredȱlight E) gasesȱthatȱabsorbȱultravioletȱlight

9)

10) Theȱ ȱisȱaȱlayerȱofȱionizedȱgasȱthatȱis A) withinȱtheȱtroposphere. B) aboveȱtheȱexosphere. C) betweenȱtheȱthermosphereȱandȱtheȱexosphere. D) withinȱtheȱstratosphere. E)

10)

11) Howȱdoesȱtheȱ ? A) Ozoneȱtransmitsȱvisibleȱlight,ȱallowingȱitȱtoȱheatȱtheȱsurface,ȱbutȱthenȱabsorbsȱmostȱofȱthe infraredȱheat,ȱtrappingȱtheȱheatȱnearȱtheȱsurface. B) GreenhouseȱgasesȱabsorbȱinfraredȱlightȱfromȱtheȱSun,ȱwhichȱthenȱheatsȱtheȱatmosphereȱand theȱsurface. C) Theȱhigherȱpressureȱofȱtheȱthickȱatmosphereȱatȱlowerȱaltitudesȱtrapsȱheatȱinȱmoreȱeffectively. D) GreenhouseȱgasesȱabsorbȱXȱraysȱandȱultravioletȱlightȱfromȱtheȱSun,ȱwhichȱthenȱheatȱthe atmosphereȱandȱtheȱsurface. E) Greenhouseȱgases ,ȱallowingȱitȱtoȱheatȱtheȱsurface,ȱbutȱthenȱabsorb infraredȱlightȱfromȱEarth,ȱtrappingȱtheȱheatȱnearȱtheȱsurface.

11)

12) Whatȱisȱtheȱ ? A) theȱlowestȱlayerȱinȱtheȱatmosphere B) theȱpartȱofȱtheȱatmosphereȱthatȱabsorbsȱopticalȱlight C) theȱpartȱofȱtheȱatmosphereȱthatȱabsorbsȱultraviolet D) theȱpartȱofȱtheȱatmosphereȱthatȱ E) theȱhighestȱlayerȱinȱtheȱatmosphere

12)



13) Thereȱareȱ ȱbecauseȱit A) lacksȱatmosphericȱoxygen. B) lacksȱanȱionosphere. C) lacksȱstrongȱwinds. D) lacksȱaȱstrongȱ . E) isȱtooȱhot.

13)

14)

14)

ȱbecause ȱmustȱpassȱthroughȱmoreȱatmosphereȱthen,ȱandȱtheȱatmosphereȱscattersȱevenȱmore lightȱatȱbluerȱwavelengths,ȱtransmittingȱ . B) theȱcoolerȱatmosphereȱinȱtheȱeveningȱabsorbsȱmoreȱblueȱlight. C) theȱSunȱemitsȱmoreȱredȱlightȱwhenȱitȇsȱsetting. D) sunlightȱmustȱpassȱthroughȱmoreȱatmosphereȱthen,ȱandȱtheȱatmosphereȱscattersȱmoreȱlightȱat redȱwavelengthsȱthanȱbluerȱwavelengths. E) noneȱofȱtheȱabove

A)

15) Whichȱplanetȱexperiencesȱtheȱ ? A) Mars B)

ȱbetweenȱitsȱ C) Earth

ȱandȱ

15)

D) Venus

16) Whichȱofȱtheȱfollowingȱcorrectlyȱdescribesȱtheȱmeaningȱofȱ ? A) rȱtheȱalbedo,ȱ ȱlightȱtheȱsurfaceȱreflects,ȱandȱ ȱitȱabsorbs. B) Theȱhigherȱtheȱalbedo,ȱtheȱmoreȱlightȱtheȱsurfaceȱabsorbs. C) Theȱlowerȱtheȱalbedo,ȱtheȱmoreȱlightȱtheȱsurfaceȱreflects,ȱandȱtheȱlessȱitȱabsorbs. D) Theȱhigherȱtheȱalbedo,ȱtheȱmoreȱlightȱtheȱsurfaceȱemits. E) Theȱhigherȱtheȱalbedo,ȱtheȱmoreȱlightȱtheȱatmosphereȱabsorbs.

16)

17)

17)

ȱbetweenȱdistantȱplacesȱonȱEarthȱisȱpossibleȱbecauseȱthe A) ionosphereȱtransmitsȱradioȱsignals. B) stratosphereȱreflectsȱradioȱsignals. C) exosphereȱreflectsȱradioȱsignals. D) .

18) Whichȱofȱtheȱfollowingȱplanetsȱhasȱanȱ A) Venus B) Mars C) Mercury D) Earth E) 19)

?

18)

ȱoccursȱinȱthe ȱbut ȱbecause A) theȱtroposphereȱisȱcoolerȱthanȱtheȱstratosphere. B) higherȱaltitudesȱofȱtheȱtroposphereȱareȱwarmerȱthanȱlowerȱaltitudes,ȱunlikeȱinȱthe stratosphere. C) theȱtroposphereȱcontainsȱfewerȱgreenhouseȱgasesȱthanȱtheȱstratosphere. D) theȱtroposphereȱisȱwarmerȱthanȱtheȱstratosphere. E) ȱofȱtheȱtroposphereȱareȱwarmerȱthanȱhigherȱaltitudes,ȱunlikeȱinȱthe stratosphere.



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