calibration image and a variety of natural sounds, such as surf, wind, and thunder, and animal sounds, including the songs of birds, whales and dolphins.
Step-by-step explanation:
Answer:
Sounds, pictures and messages that tell of Earth, human history and culture.
Sounds: Thunder, Volcanos, Earthquakes, Wild Dogs, Saturn 5 rocket lift-off,
Images, Greetings, Music.
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