Corona virus shutdown have unintended benefits on urban climate, what are those benefits?

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.”

Answer the above statement is (false) the correct answer is linear villages;

Its led to migrationits led to death 

Maybe on the physical part? i dunno i just guessed plus i really need the points