A, i think. i don't know a lot but i think a makes the most sense.
Answer:
Rita, or Mina are at fault.
Explanation:
It would be sonar i think
The best and most correct answer among the choices provided by your question is the third choice.
The oceanic trenches<span> are hemispheric-scale long but narrow topographic depressions of the sea floor. They are also the deepest parts of the </span>ocean<span> floor.</span>
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Because it was a very unexpected event and they didnt have the tech to forecast it