ASVAB - Armed Services Vocational Aptitude Battery Practice Test

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ASVAB Paragraph Comprehension Test 3

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Read the passage: 'Sonar technology works by emitting sound waves that bounce off objects and return to the source. The time it takes for the echo to return, combined with the known speed of sound in water, allows operators to calculate the distance to an object.' What does this passage primarily describe? A) The history of underwater exploration B) How sonar calculates the distance to objects C) Why sound travels faster in water than air D) The dangers of underwater navigation
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