Why can marine mammals like whales communicate over immense ocean distances?

Type: MCQ • Marks: 1

A. They use light beams

B. They use radio links

C. Water absorbs all sound instantly

D. Sound travels efficiently over thousands of kilometers in deep ocean acoustic channel layers (SOFAR channel)

Explanation

The ocean sound fixing and averaging (SOFAR) channel permits long-range acoustic propagation.

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Class 9th Science (MCQ)

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