Your phone converts your voice into an electrical signal, which is then transmitted via radio waves to the nearest cell tower
Answer:
A. its reactivity
Explanation:
It's reactivity because copper was exposed to air and if it is reactivity it must be exposed to air
Answer:
Electronegativity increases as you move across the periodic table from left to right.
Explanation:
<span>Higher energy = shorter wavelength
Frequency is one cycle over an amount of time (seconds)
So higher frequency = higher energy = shorter wavelength</span>