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Micro-organisms friend and foe — Science STD 8 — Question

Maharashtra BoardEnglish MediumSTD 8ScienceMicro-organisms friend and foe3 Marks
Question
What are the various ways in which communicable diseases can occur and spread?
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Answer

The communicable diseases can occur and spread in the following ways:
  • Through air we breathe.
  • Through water we drink.
  • Through food we eat.
  • Through carriers such as mosquito.

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