Who is wilbur zelinsky and what did he do

[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

Witch of the following volcano hazards is made up of rocky particles about the size of a grain of sand

Russia is to the east if germany ? true or false