Why is the ionosphere important to radio wave transmission?
Both FM and AM waves reflect off it.
FM waves reflect off it, but AM waves pass through it.
Both AM and FM waves pass through it.
AM waves reflect off it, but FM waves pass through it.
Both FM and AM waves reflect off it.
FM waves reflect off it, but AM waves pass through it.
Both AM and FM waves pass through it.
AM waves reflect off it, but FM waves pass through it.