Fact 1: Sonar is used to find the location of an object. Fact 2: Sonar devices use sound waves to find things. Given the two facts above, answer the question "what are used to find the location of an object?" with the following options: - A Greek letter - satellites - electricity - rays or beams - Firecrackers - photons - sound waves - microscope
The answer to this question is:
sound waves