Who watch xvedio here..
plz answer

In the diagram below dab and dac are adjacent angles

[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

What is one early technological advance that shaped culture? a the use of fire b the discovery of arable land c family units. d migration