Statement: Many persons in the locality are diagnosed to be suffering from gastro-intestina 1 diseases after consuming poor quality drinking water supplied by the municipal authority‘
Which ofthe following substantiates the facts stated in the above statement ?
(1) Gastro-intestina l diseases are not very severe in nature
"(2) People suffering from gastro- intestinal diseases need not take medicines. .
(3)Many people suffer from gastrointestinal diseases after consuming stale fond.
(4)Gastro-intestinal diseases are waterborne diseases.
(5)None of these
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