221k views
2 votes
Which is an electromagnetic wave?

a. a vibrating guitar string
b. a flag waving in the wind
c. the waves that heat a cup of water in a microwave oven
d. the changes in the air that result from blowing a horn

User Medk
by
5.5k points

1 Answer

5 votes

Answer:

Step-by-step explanation:

C. the waves that heat a cup of water in a microwave oven (sorry if it is wrong)

User Paolo Brandoli
by
6.8k points