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what is one disadvantage of fossil fuels?
they are finite and produce greenhouse gases
where do particulates come from, their impact and how to reduce them?
from incomplete combustion, it settles in lungs, causing problems, and is removed from power station flue gases using wet scrubbers/ filters
where does CO come from, its impact and how to reduce it?
incomplete combustion, binds to hemoglobin so less O2 in blood, and is removed by catalytic converters
where does CO2 come from, its impact and how to reduce it?
complete combustion, greenhouses gas, and is removed by using alternative fuels
where does NOx come from, its impact and how to reduce it?
engine high temp and pressure means N and O2 react, forms ground level ozone photochemical smog and acid rain, and is removed by catalytic converters
where does SOx come from, its impact and how to reduce it?
fossil fuels have S went burnt reacts with O2, acid rain, and is removed by calcium oxide and catalytic converters from power station flue gases
where do unburnt hydrocarbons come from, its impact and how to reduce it?
incomplete combustion, form ground level ozone in sun and petrochemical smog, removed by catalytic converters
why is it difficult to stop using fossil fuels?
it is very reliable as well as producing a lot of energy
what does carbon dioxide do in terms of global warming?
it absorbs some pf the infra-red radiation that the earth gives out, causing it to heat up faster
