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Wastewater Story
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13/07/2021 3:31 pm
Topic starter
Fill in the blanks:
(a) Cleaning of water is process of removing __________
(b) Wastewater released by houses is called __________.
(c) Dried __________ is used as manure.
(d) Drains get blocked by __________ and __________.
1 Answer
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13/07/2021 3:33 pm
(a) pollutants
(b) sewage
(c) sludge
(d) chemicals, kitchen waste