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Micro-organisms. Helpful or harmful?

Leave your questions and answers here!

10 comments

  1. hiya dunno about it yet lol


  2. micro-organisms are bad because they can infect your body because they are a disese


  3. hi ryan that is true what you found out


  4. HOW ARE THEY HARFUL AND HOW ARE THEY HELPFUL?


  5. hiya clik on mi name plz


  6. Harmful- raw meat has bacteria,diseases are and mould on food.


  7. Helpful-in bread one called yeast to make it rise,in yoghurt to stop bacteria growing and in dead leaves to break them into nutrients so they can go intothe soil and be used by plants.


  8. hi all


  9. hi miss no one comes on here anymore do they?


  10. micro organisms are good and bad



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