Environmental Sciences, asked by ujjwalsrivastava2302, 1 month ago

identify the correct statement from the following
rapid sand filter has a high initial cost
coagulation is essential in sand filter
slow sand filter skilled supervision
period of cleaning of rapid sand filter is1-2days

Answers

Answered by faihaabdulkareem

0

Answer:

Period of cleaning of Rapid sand filter is 1-2 days

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