a: radio wave ~
b: a wave in the ocean
What:
"A radio wave is like a wave in the ocean. It has a top (the
crest) and bottom (the trough) a height called the amplitude
and a length..."
Useful?
Writer: Not Stated
LCC:
Where:
Date: Nov 18 2015 3:46 PM
#9217 Email metamia about this
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