Consider the following statements in respect of anaerobic sludge diges – McqOptions

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1.	Consider the following statements in respect of anaerobic sludge digester:1. It is less expensive compared to several other methods available.2. Processing of separable solids impacts the environment to a minimum.3. Quantity of separated solids requiring disposal is minimal4. Digested sludge is very readily dewatered able.Which of the above statements are correct?
A.	1, 2, 3 and 4
B.	1, 2 and 3 only
C.	3 and 4 only
D.	1, 2 and 4 only
Answer» B. 1, 2 and 3 only

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