Question

Muddy water contains microorganisms, clay, and silt. Which of the following statements suggests that muddy water is a suspension?

Answer 1

Based on my research here are the choices that I found:
A. It is a heterogenous mixture and particles settle down if left undisturbed.
B. It is a heterogenous mixture and particles do not settle down.
C. It is a homogenous mixture and particles settle down if left undisturbed.

Then the answer is B. It is a heterogenous mixture and particles do not settle down.