German has been adopted as the official language for the olympics. true or false.

False; the official languages are French, English, and whatever is the main language for the country it's being hosted in. For instance, the languages for the 2018 Winter Olympics would be French, English, and Korean, since it's being held in South Korea this year.

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.”