ENVS 1126 Edward Laws Final (2025)
Actual Exam Questions and Answers A+
Graded
Which .one .of .the .following .statements .is .part .of .the .basis .of .the .scientific
.method .- .CORRECT .ANSWER .-Every .result .has .a .cause
When .CO2 .dissolves .in .the .ocean, .it .combines .with .water .(H2O) .to .form
.carbonic .acid, .H2CO3. .As .a .result .of .the .increase .in .atmospheric .CO2, .the
.ocean .is .becoming .acidic. .Since .the .start .of .the .industrial .revolution, .the .pH .of
.seawater .has .decreased .from__________? .- .CORRECT .ANSWER .-8.2 .to .8.1
Globally .the .fastest-growing .source .of .electricity .is .- .CORRECT .ANSWER .-Wind
.energy
Which .one .of .the .following .has .not .experienced .serious .environmental
.problems .as .a .result .of .deforestation .- .CORRECT .ANSWER .-Dominican
.Republic
The .collapse .of .the .reindeer .population .on .St. .Matthew .Island .in .1963 .(see
.below) .reflects_____? .- .CORRECT .ANSWER .-All .of .the .above
Of .the .CO2 .that .has .been .emitted .to .the .atmosphere .as .a .result .of .fossil .fuel
.burning .and .deforestation .in .the .last .250 .years, .about ._________ .has .been
.taken .up .by .the .ocean .- .CORRECT .ANSWER .-25%
The .concentration .of .CO2 .in .the .atmosphere .is .currently .about .- .CORRECT
.ANSWER .-400 .ppm
Which .one .of .the .following .countries .has .the .highest .maternity .mortality? .-
.CORRECT .ANSWER .-United .States
Removing .the .handle .on .the .Broad .Street .Pump .to .determine .whether .the .water
.was .the .cause .of .a .cholera .outbreak .in .London .in .1854 .is .an .example .of .-
.CORRECT .ANSWER .-Hypothesis .testing
By .the .end .of .this .century, .the .Intergovernmental .Panel .on .Climate .Change
.(IPCC) .is .projecting .that .temperatures .will .rise .much .more .at .high .latitudes .in
.the .northern .hemisphere .than .anywhere .else .on .Earth. .This .projection .is .based
.on .the .fact .that .- .CORRECT .ANSWER .-The .ice .on .the .Arctic .Ocean .is .melting
, The .countries .that .signed .the .Montreal .Protocol .agreed .to .scale .back .-
.CORRECT .ANSWER .-Production .of .chlorofluorocarbons .(CFCs)
Since .the .phaseout .of .leaded .gasoline .in .the .United .States, .the .average .blood
.levels .of .children .in .the .U.S. .have .declined .by .about .- .CORRECT .ANSWER .-
90%
Recovery .of .municipal .solid .waste .by .recycling .has .increased .from .7% .in .1970
.to .about ._______ .at .the .present .time. .- .CORRECT .ANSWER .-35%
The .Economy .of ._____ .and ._____ .countries .is .centrally .planned .at .the .present
.time? .- .CORRECT .ANSWER .-Cuba, .North .Korea
Approximately .______ .states .have .bottle .laws .to .encourage .and .facilitate
.recycling .of .bottles. .- .CORRECT .ANSWER .-10
Comparison .of .the .gross .domestic .product .(GDP) .with .the .genuine .progress
.indicator .(GPI) .in .the .U.S. .has .shown .that .since .1950 .the .GPI .has .- .CORRECT
.ANSWER .-Remained .fairly .constant
A .marsh .is .an .example .of ._______________. .- .CORRECT .ANSWER .-An .ecotone
A .biome .is .a .large .area .of .the .earth's .surface .with .similar ._____ .and .______. .-
.CORRECT .ANSWER .-Plants .. .. .. .climate
Reducing .the .input .of .inorganic .nitrogen .to .University .Lake .is .expected .to
.result .in .a .decrease .in .the .abundance .of .algae .in .the .lake. .If .this .happens, .it
.would .be .an .example .of .- .CORRECT .ANSWER .-The .law .of .limiting .factors
Bats .and .swallows .both .feed .on .flying .insects, .but .they .do .not .compete
.because .bats .feed .at .night .and .swallows .feed .during .the .day. .Although .bats
.and .swallows .live .in .the .same .habitat, .they .occupy .different________. .-
.CORRECT .ANSWER .-niches
Mangroves .are .much .more .abundant .near .Port .Fourchon .today .than .they .were
.30 .years .ago .because .- .CORRECT .ANSWER .-There .has .not .been .a .hard .freeze
.since .1989
The .two .general .categories .of .energy .are .potential .energy .and .________. .-
.CORRECT .ANSWER .-Kinetic .energy
The .six .most .abundant .elements .in .organic .matter .are? .- .CORRECT .ANSWER .-
nitrogen, .carbon, .oxygen, .hydrogen, .phosphorus, .and .sulfur.
A .bag .of .fertilizer .is .labeled .12-18-20. .What .is .the .percentage .of .organic .matter
.in .the .fertilizer? .- .CORRECT .ANSWER .-Cannot .tell
Plants .that .contain .nitrogen-fixing .bacteria .in .their .root .nodules .are
.called__________. .- .CORRECT .ANSWER .-legumes
Actual Exam Questions and Answers A+
Graded
Which .one .of .the .following .statements .is .part .of .the .basis .of .the .scientific
.method .- .CORRECT .ANSWER .-Every .result .has .a .cause
When .CO2 .dissolves .in .the .ocean, .it .combines .with .water .(H2O) .to .form
.carbonic .acid, .H2CO3. .As .a .result .of .the .increase .in .atmospheric .CO2, .the
.ocean .is .becoming .acidic. .Since .the .start .of .the .industrial .revolution, .the .pH .of
.seawater .has .decreased .from__________? .- .CORRECT .ANSWER .-8.2 .to .8.1
Globally .the .fastest-growing .source .of .electricity .is .- .CORRECT .ANSWER .-Wind
.energy
Which .one .of .the .following .has .not .experienced .serious .environmental
.problems .as .a .result .of .deforestation .- .CORRECT .ANSWER .-Dominican
.Republic
The .collapse .of .the .reindeer .population .on .St. .Matthew .Island .in .1963 .(see
.below) .reflects_____? .- .CORRECT .ANSWER .-All .of .the .above
Of .the .CO2 .that .has .been .emitted .to .the .atmosphere .as .a .result .of .fossil .fuel
.burning .and .deforestation .in .the .last .250 .years, .about ._________ .has .been
.taken .up .by .the .ocean .- .CORRECT .ANSWER .-25%
The .concentration .of .CO2 .in .the .atmosphere .is .currently .about .- .CORRECT
.ANSWER .-400 .ppm
Which .one .of .the .following .countries .has .the .highest .maternity .mortality? .-
.CORRECT .ANSWER .-United .States
Removing .the .handle .on .the .Broad .Street .Pump .to .determine .whether .the .water
.was .the .cause .of .a .cholera .outbreak .in .London .in .1854 .is .an .example .of .-
.CORRECT .ANSWER .-Hypothesis .testing
By .the .end .of .this .century, .the .Intergovernmental .Panel .on .Climate .Change
.(IPCC) .is .projecting .that .temperatures .will .rise .much .more .at .high .latitudes .in
.the .northern .hemisphere .than .anywhere .else .on .Earth. .This .projection .is .based
.on .the .fact .that .- .CORRECT .ANSWER .-The .ice .on .the .Arctic .Ocean .is .melting
, The .countries .that .signed .the .Montreal .Protocol .agreed .to .scale .back .-
.CORRECT .ANSWER .-Production .of .chlorofluorocarbons .(CFCs)
Since .the .phaseout .of .leaded .gasoline .in .the .United .States, .the .average .blood
.levels .of .children .in .the .U.S. .have .declined .by .about .- .CORRECT .ANSWER .-
90%
Recovery .of .municipal .solid .waste .by .recycling .has .increased .from .7% .in .1970
.to .about ._______ .at .the .present .time. .- .CORRECT .ANSWER .-35%
The .Economy .of ._____ .and ._____ .countries .is .centrally .planned .at .the .present
.time? .- .CORRECT .ANSWER .-Cuba, .North .Korea
Approximately .______ .states .have .bottle .laws .to .encourage .and .facilitate
.recycling .of .bottles. .- .CORRECT .ANSWER .-10
Comparison .of .the .gross .domestic .product .(GDP) .with .the .genuine .progress
.indicator .(GPI) .in .the .U.S. .has .shown .that .since .1950 .the .GPI .has .- .CORRECT
.ANSWER .-Remained .fairly .constant
A .marsh .is .an .example .of ._______________. .- .CORRECT .ANSWER .-An .ecotone
A .biome .is .a .large .area .of .the .earth's .surface .with .similar ._____ .and .______. .-
.CORRECT .ANSWER .-Plants .. .. .. .climate
Reducing .the .input .of .inorganic .nitrogen .to .University .Lake .is .expected .to
.result .in .a .decrease .in .the .abundance .of .algae .in .the .lake. .If .this .happens, .it
.would .be .an .example .of .- .CORRECT .ANSWER .-The .law .of .limiting .factors
Bats .and .swallows .both .feed .on .flying .insects, .but .they .do .not .compete
.because .bats .feed .at .night .and .swallows .feed .during .the .day. .Although .bats
.and .swallows .live .in .the .same .habitat, .they .occupy .different________. .-
.CORRECT .ANSWER .-niches
Mangroves .are .much .more .abundant .near .Port .Fourchon .today .than .they .were
.30 .years .ago .because .- .CORRECT .ANSWER .-There .has .not .been .a .hard .freeze
.since .1989
The .two .general .categories .of .energy .are .potential .energy .and .________. .-
.CORRECT .ANSWER .-Kinetic .energy
The .six .most .abundant .elements .in .organic .matter .are? .- .CORRECT .ANSWER .-
nitrogen, .carbon, .oxygen, .hydrogen, .phosphorus, .and .sulfur.
A .bag .of .fertilizer .is .labeled .12-18-20. .What .is .the .percentage .of .organic .matter
.in .the .fertilizer? .- .CORRECT .ANSWER .-Cannot .tell
Plants .that .contain .nitrogen-fixing .bacteria .in .their .root .nodules .are
.called__________. .- .CORRECT .ANSWER .-legumes
