Answer:
c) in cities
a) in the southern part of the countries
Step-by-step explanation:
Denmark, which is a country in northern Europe, for example, 86% of the Danish population lives in urban areas.
Similarly, due to the extreme conditions in northern countries such as Scandinavia, the very sparsely populated remote areas, likewise the northernmost region of Finland, Lappi, was the region with the lowest population density in the Europe of the Twenty-Eight in 2012, with only 2.0 inhabitants per square kilometer (km²).