Think about the areas of Europe and Russia that are the most densely populated. What physical features attract people to live in those areas?

This also helps explain why Spain has the most densely populated km² in Europe; more than 53,000 people inhabit a single 1km² area in Barcelona. France also has an area with more than 50,000 people in a single km², in Paris.

It has four major land areas: the Northwestern Highlands, the North European Plain, the Central Uplands, and the Alpine Mountain System. Russia lies on two continents—Europe and Asia.

so whats the answer? ?