Write single complete sentence to answer each question below. ( a ) What fundamental source all electromagnetic waves, including (for example) microwaves? ( b ) What is vibrating in a microwave as it moves through empty space? ( c ) What does a microwave do to a receiving antenna to provide a signal for your cellphone? ( d ) What microwave property must match your cellphone's in order to create the largest possible signal in the cellphone ?

( e ) What single vocabulary word is used to describe the match between a microwave and cellphone that creates a large signal in cellphone ?

A modern cell phone's receiving antenna has a fractal shape , like so