overcrowded and poorly ventilated housing is a major factor for the diseases like common cold,pneumonia etc. explain the statement and support your answer with diagram also
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because the infected air keeps circulating in and around and has no place to go out
when the air is not made to go out the number of bacterias start increasing slowly and thus it affects all the people around.....
hope it helped u plz mark as brainliest and follow me
when the air is not made to go out the number of bacterias start increasing slowly and thus it affects all the people around.....
hope it helped u plz mark as brainliest and follow me
him37:
how mark has brainliest
if some else answers ur answer then u get an option above the question asking mark as brainliest
but that's fine do not worry frnd
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