Asked by Dayana
                What type of signal is measured in a sonar system to determine the depth of the ocean?
A. absorption of sound waves by underwater features
B. reflection of sound waves by underwater features
C. absorption of electromagnet waves by underwater features
D. reflection of electromagnet waves by underwater features
I think that it's A?
            
        A. absorption of sound waves by underwater features
B. reflection of sound waves by underwater features
C. absorption of electromagnet waves by underwater features
D. reflection of electromagnet waves by underwater features
I think that it's A?
Answers
                    Answered by
            bobpursley
            
    Think what you wish, but you are wrong.
    
                    Answered by
            Writeacher
            
    Go to www.answers.com.
Look up SONAR.
Re-think your answer.
    
Look up SONAR.
Re-think your answer.
                    Answered by
            Dayana
            
    Thank you.
    
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