Which factors have been major influences on the growth of American cities

The earth's inner core reaches temperatures that are at times greater than 9000°f. what causes this layer to remain solid despite the high temperature?

In which type of economy do the forces of supply and demand typically drive prices? a. a market economy b. a traditional economy a planned economy d. a command economy select the best answer from the choices provided. 0 0 em oo 0 0

According to the earth science reference tables, during which geologic time period were the continents of north america,south america, and africa closest together?