Multiple choice

An oligotrophic lake has __________.

  1. high levels of nutrients in water.

  2. high aquatic productivity

  3. algal blooms

  4. low nutrients and low productivity

  5. high salt content in water
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Oligotropic lakes have low nutritional content and productivity due to higher pollution content in water, thereby decreasing its productivity.

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