Pls help me with questions number 4

Is water wet? and is fire on fire?

The hebrews originally migrated from a. india b. egypt c. arabia d. mesopotamia

[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