Final answer:
The first theaters did have sound effects, although not in the modern sense.
Step-by-step explanation:
The statement, "The first theaters had no sound effects" is False. The first theaters, which originated in ancient Greece, did not have modern sound effects technology, but they did incorporate various techniques and devices to create sound effects. For example, actors used exaggerated vocal techniques and musical instruments to produce sound effects onstage. Additionally, stage machinery and architectural designs were used to create natural sound effects, such as thunder or rain.
Learn more about The history of theaters and sound effects