What two geographic features mark the edges of the European continent (East and West)?

The map above shows where people live in the united states. areas that are darker blue are areas where people live close together. areas that are lighter colors are places where people live farther apart. as a geographer, if you were to study where people live and why they choose to live in these places, which of the six essential elements of geography would you be using?

How do you think the different landforms of northern and southern europe would affect ways of life in those two areas

Where the main factor that enabled the growth of cities and civilizations was the existence of