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Can't Be Seen but Cause Harm!! Guess It??

Answer the following questions about the various microorganisms found in nature by choosing the option which u think is right

Can't Be Seen but Cause Harm!! Guess It??
  • 1 of 10:

    What is the other name of cyanobacteria ?

  • A) Virus
  • B) Algae
  • C) Blue-green Algae
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