65.5k views
7 votes
4 In which medium would an electromagnetic

wave travel the fastest?
A. air
C. vacuum
B. granite
D. water

2 Answers

11 votes

Answer:

water

Step-by-step explanation:

the medium an electromagnetic wave travel the fastest is in water

User Shamari
by
5.0k points
4 votes

Answer:

the correct answer is air.

User Roy Holzem
by
4.1k points