The moisture content of sludge is reduced from 90% to 80% in a sludge – McqOptions

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1.	The moisture content of sludge is reduced from 90% to 80% in a sludge digestion tank. The percentage decrease in the volume of sludge, is
A.	5 %
B.	0 %
C.	0 %
D.	%
Answer» C. 0 %

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