Question

1. choose the best answer.

____ sent the first voice message by radio waves.
○ guglielmo marconi
○ reginald fesseden
○ nikolai tesla
○ thomas edison

Explanation:

Reginald Fessenden is known for sending the first voice message via radio waves. Marconi focused on radio telegraphy, Tesla on AC and other innovations, and Edison on many inventions but not this specific radio voice transmission.

Answer:

B. Reginald Fesseden (Note: The option text has a typo, likely "Reginald Fessenden", but the correct choice is the one with Reginald Fesseden/Fessenden as the name for this achievement.)