The flow of heat from Earth's interior to the surface is estimated at 47 terawatts<span>(TW) and comes from two main sources in roughly equal amounts: the radiogenic heat produced by the radioactive decay of </span>isotopes<span> in the mantle and </span>crust<span>, and the primordial heat left over from the formation of the Earth.</span>
Answer:
correct answer is mountains prevented city state from interacting
Explanation:
geographic feature in Greek city-states play important role by mountains prevented city-states from interacting
Because from mountain each city is fairly isolated with each other
and allow them to become city state
and it also led constant war against each other
as mountains allow mountainous terrain and isolated valley and some offshore island allow for many local center of the power
so correct answer is mountains prevented city state from interacting
Answer
In geography, there are two different types of scales, the map scale, which is the distance on a map compared to the actual distance on Earth, and the scale of analysis, which is the spatial extent of a variable. Different scales of analysis can drastically change your perception of an area.
Urbanization caused many people to cluster into large cities. When a city was forming, many jobs began to open. People would leave their unstable farming, trading, fishing etc.. jobs in the rural areas for a more secure factory, office, business job opportunity in the city. This means that the population is distributed unevenly across the US, with the majority of people living in urban areas.
