Question
Dried ____ is used as manure.
Answer: Option A
:
A
The sludge is a semiliquid waste, which is obtained from the processing of municipal sewage. After drying, the sludge is used as manure.
Sewage is a complex mixture containing suspended solids, organic and inorganic impurities.
Sewerage is like a transport system that carries sewage from the households and industries to the treatment plant.
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:
A
The sludge is a semiliquid waste, which is obtained from the processing of municipal sewage. After drying, the sludge is used as manure.
Sewage is a complex mixture containing suspended solids, organic and inorganic impurities.
Sewerage is like a transport system that carries sewage from the households and industries to the treatment plant.
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