of carbon and hydrogen(passive) are composedHydrocarbons
of hydrogen and carbon(passive) are composed Hydrocarbons
of hydrogen and carbon(passive) are composedHydrocarbons
of only hydrogen and carbon(passive) are composedHydrocarbons
of only carbon and hydrogen(passive) are composedHydrocarbons
of Carbon and hydrogen(passive) are composed Hydrocarbons
a complex mixturecomposedof hydrocarbons
only of the elements carbon and hydrogen(passive) are composedHydrocarbons
the conventional fuelcomposedof hydrocarbons
The processcauseshydrocarbons
A gascomposed entirelyof hydrocarbons
a combustible mixturecomposedof hydrocarbons
i.e. cancercausinghydrocarbons
all sources of fuelcomposedof hydrocarbons
in chemical and mineralogical changes in the near - surface zone above oil reservoirsresultin chemical and mineralogical changes in the near - surface zone above oil reservoirs
to smog and ozone formation in the lower atmospherecontributeto smog and ozone formation in the lower atmosphere
cancercausecancer
smog and pollutioncausesmog and pollution
chemical pneumonitiscausechemical pneumonitis
easilycan ... leadeasily
easilycan ... leadeasily
to the formation of photochemical smog , acid deposition and elevated CO levels and these pollutantscontributeto the formation of photochemical smog , acid deposition and elevated CO levels and these pollutants
internal organ damage and cancercauseinternal organ damage and cancer
to fibrosiscould leadto fibrosis
interpreted(passive) to be caused byinterpreted
air pollutionDo ... contributeair pollution
air pollution if so howDo ... contributeair pollution if so how
to air pollutiondo ... contributeto air pollution
air pollutioncontributeair pollution
to N depositioncontributeto N deposition
of only carbon and hydrogen atomscomposedof only carbon and hydrogen atoms
from incomplete combustion of fuelresultfrom incomplete combustion of fuel
to ozone smogcontributeto ozone smog
of carbon and hydrogenare composedof carbon and hydrogen
of carbon and hydrogencomposedof carbon and hydrogen
only of carbon and hydrogenare composedonly of carbon and hydrogen
of carbon and hydrogencomposed entirelyof carbon and hydrogen
of two or more fused aromatic rings of carbon and hydrogen atomscomposedof two or more fused aromatic rings of carbon and hydrogen atoms
to the formation of ground - level ozonecontributeto the formation of ground - level ozone
to the formation of ground - level ozonecontributeto the formation of ground - level ozone
from the debris of living plants and organisms to form crude oil and natural gasoriginatefrom the debris of living plants and organisms to form crude oil and natural gas
exclusively of carbon and hydrogencomposedexclusively of carbon and hydrogen
to air pollutioncontributeto air pollution
Air pollution from internal combustion engines(passive) is caused byAir pollution from internal combustion engines
smog and air pollutioncan ... causesmog and air pollution
of nothing but hydrogen and carboncomposedof nothing but hydrogen and carbon
of carbon atoms and hydrogen atomscomposedof carbon atoms and hydrogen atoms
to photochemical smogcontributeto photochemical smog
to air pollution problemscontributeto air pollution problems
from incomplete combustionresultsfrom incomplete combustion
from incomplete combustion inresultingfrom incomplete combustion in
from incomplete combustionresultfrom incomplete combustion