Question

What is the meaning of sludge?​

Answer 1

Answer:

Explanation:

thick, soft, wet mud or a similar viscous mixture of liquid and solid components, especially the product of an industrial or refining process.

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Answer 2

Answer:

thick, soft, wet mud or a similar viscous mixture of liquid and solid components, especially the product of an industrial or refining process.

or

an unattractive muddy shade of brown or green.