Multiple choice

Eutrophication leads to death of fish due to

  1. increased O2 content

  2. increased algae content

  3. decreased algae content

  4. decreased O2 content

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

Eutrophication is when the environment becomes enriched with nutrients. It causes algal blooms and reduced O2 content in water bodies.