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  • Environmental Pollution (Class VIII)
  • Which fish is used to keep water clean?
Multiple choice

Which fish is used to keep water clean?

  1. Electric ray

  2. Gambusia

  3. Silver fish

  4. Paradise fish

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

Gambusia eats larvae and eggs of mosquitoes and keeps the water clean.

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