Multiple choice

Aquatic photodiffraction is

  1. euphotic, disphotic and aphotic

  2. aphotic, euphotic and disphotic

  3. euphotic, aphotic and disphotic

  4. euphotic and disphotic only
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A Correct answer
Explanation

The euphotic zone is the layer closer to the surface that receives enough light for photosynthesis to occur. The disphotic zone is found just below the photic zone. The aphotic zone is the portion of a lake or ocean where there is little or no sunlight.

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