Amixture requires constant shaking to keep its constituents combined. it is best described as a homogenous mixture colloid suspension solution

The correct answer is a suspension.

A suspension is a mixture containing relatively large particles that settle fast

A homogenous mixture is a mixture where everything looks the same throughout and is all in the same phases

A colloid is a heterogenous mixture where the particles are small enough to stay suspended (usually talking about gaseous solutions)

And a solution is a homogenous mixture where the particles are too small to even reflect light

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