Ocean Roar

Ocean Roar

What causes the ocean roar (waves) one may hear in a seashell? .

  • A. Actually, there is no roar. The sound entering one ear is muffled, and we 'sense' that as a roar.
  • B. The roar is due to the shell's cavity acting as an amplifier for blood pulsing in our veins.
  • C. The roar is due to wind and vibrations randomly exciting the shell's resonant frequencies.
  • D. I live in the Midwest and am not interested in oceans.

Answer