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  • Which of the following regions of marine ecosystem is com...
Multiple choice

Which of the following regions of marine ecosystem is completely dark?

  1. Abyssal zone

  2. Photic zone

  3. Continental shelf

  4. Continental slope

  5. Aphotic zone

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

It lies below 2000 m and complete darkness persists here.

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