Punt.
2. Why
are open drainage systems harmful?
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Answer:
Open drains designed to carry wastewater invariably also carry stormwater, which is likely to cause problems for downstream treatment facilities. They may smell and the presence of the drain reduces the usable width of the street.
Explanation:
If the open drains are left unchecked, they become a health hazard to the neighboring population as they become a breeding ground for disease-causing parasites and other microorganisms. And when the rainy season begins, the open drains can rapidly spread water-borne diseases and infections.
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Answer:
because our government decided open schools from 1st january 2021 for 10 std and 2nd puc
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