What is used for salvage operations and underwater exploration?

Options :
  1. Bathyscaphe
  2. Spectrometer
  3. Grinder
  4. Submarine
Answer and Explanation :-

Answer: Option 1

Explanation:

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There is a loveliness to life that does not fade. Even in the terrors of the night, there is a tendency toward grace that does not fail us.
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