I think it is A.burning of fossil fuels
A bureau is defined as the department or division of the government, that is helpful for distributing the data and collecting the work.
<h3>
How does the US Census Bureau define an urban area?</h3>
Urban are defined as the areas that including at least 2,500 and less than 50,000 people. On the other hand, "Rural" defined as any population, housing, or territory outside urban areas.
Urban areas are generally defined as the towns and cities. Under these areas people have sufficient amount of money because the job availability.
Learn more about Bureau, refer to the link:
brainly.com/question/11397862
<span>Isohalines are lines (or contours) that join points of equal salinity in an aquatic system.</span>
Lines of latitude and longitude help you find a certain location on a map
