Ahill of sand caused by wind is called a: mountain dune mound crag

[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

Compare and contrast the four types of crystals

Why is democracy better than a dictatorship?