What term is used when describing elevations of earth surface? a)geology b)astronomy c)topography d)oceanography

Stages 1 and 4 of the demographic transition are similar in that

[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

Why is the study of demography important to geographers