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Virat Bhati • 7.23K Points
Tutor III Geography

Q. Echo sounding is the technique applied to ___

  • (A) record the density of air in the atmosphere
  • (B) record earthquake waves
  • (C) measure the amplitude of sound waves
  • (D) measure the depth of the sea
  • Correct Answer - Option(D)
  • Views: 620
  • Filed under category Geography

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