How did geography affect the development of civilization?

[ou.01]which of these is the most likely use of an electromagnetic wave which has wavelength shorter than microwaves but longer than visible light? o heat food safely o neat food safely o take images of bones and teeth o transmit radio and cellular phone signals o take images of bones and teeth o transmit radio and cellular phone signals o detect the location of objects which emit heat

According ti the following map, what are the most common mineral resources found in the united states?

What does 2[tex] {2}^{ - 4} \times {2}^{ - 2} [/tex]