SELECT * FROM question_mgmt as q WHERE id=6147 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=11 AND subId=16 AND chapterId=478 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED)
Untreated human excreta is a health hazard. Explain.
Majority of people in our country still do not contains sewage facilities for the safe disposal of human excreta. Due to this, a very large number of our people defecate in the open in fields, near railway tracks, on dry river beds and many a time directly in water (in ponds, lakes and rivers etc.) The untreated human excreta is a health hazards because it can cause a large number of diseases and also cause soil pollution and water pollution which can lead to various diseases. Since, the human excreta is carried along by rainwater, both in lakes and rivers as well as groundwater get polluted with it. The river water and groundwater are the sources for performing various purposes for many people.
The drinking water contaminated with untreated human excreta becomes the most common route for the spreading the diseases.
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