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

Big cities, convenience.

Explanation:

In the most densely populated areas of Europe and Russia, there are cities which means that things will be close to people. Cities provide convenient for people, they are more populated.

explanation:

on august 6, 1945, just days after the potsdam conference ended, the u.s. bomber enola gay dropped the uranium bomb known as “little boy” on the japanese city of hiroshima. despite its devastating effects, japan didn't offer unconditional surrender right away, as the united states had hoped.