Answer:
Detailed Solution. The correct answer is Light. The speed of light in the air is 3 × 108 m/s. The speed of light in a vacuum is 186,282 miles per second (299,792 kilometres per second).
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Answer:
Detailed Solution. The correct answer is Light. The speed of light in the air is 3 × 108 m/s. The speed of light in a vacuum is 186,282 miles per second (299,792 kilometres per second).