The correct answer is: [B]: "sludge" .
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um...wow...this is kind of a hard one so.............
I think the answer is A. by plants and animals as a source of water.
My second answer/guess...IF i'm rough would be C. by humans for drinking and bathing.
True not false i know i missed it and put false
D) He was the head of the Freedmen'd Bureau.
