1 Look at the pollutants in the table on page 214. a Which come from petrol burned in car engines?
b Which come from air? How and why do these form?

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Hello thereone of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description? answer: atomic mass  was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version.