1.

The size of suspended solids lies in the range of ________

A. 10⁻³ – 10⁻⁶ mm
B. 10³ – 10⁶ mm
C. 10⁻¹ – 10⁻³ mm
D. 10¹ – 10³ mm
Answer» D. 10¹ – 10³ mm


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