What percentage of the department of transportation's budget is for winter road maintance? 20% 30% 5% 46%

I would say 20% assuming this is for all of the US with quite variable winter conditions from north to south and using the fact that of the Virginia D of T Highway budget, 40% was for road maintenance throughout the 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.”

D.the role of religion has steadily declined in recent years.pl give me  branliest