European opposition to immigration primarily relates to A) unauthorized immigration. b) increased cultural diversity. c) insufficient natural resources. d) rapid overpopulation and crowding. e) the expansion of crime and unemployment.

Air pollution: “combustion results in gases such as nitrogen oxides, nitrogen dioxide and particulates. the main causes of air pollution include transport, domestic combustion and industrial processes. pollutants from these sources can cause problems in the immediate vicinity and a distance away.”

Answerland;

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