Question

what was added to the radio version of the war of the worlds to make it more exciting?
a. sound effects
b. the martians
c. piano music
d. a narrator

Explanation:

Sound effects can enhance the atmosphere and excitement in a radio - broadcast. The Martians were already part of the story, piano music may not directly add the same level of excitement as sound effects, and a narrator is a standard element not specifically added to increase excitement.

Answer:

A. Sound effects