Question

Which Mixture is Homogeneous?

Answer 1

The correct answer is:  [D]:  " milk " .
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Choice  [A]:  "soil" is incorrect;  since "soil" is "heterogeneous" {composed of many different "ingredients" .].
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Same with "Choice [B]: "granola" [composed of many different ingredients—clumps of sweetened oats, raisins, coconuts, etc.].
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Same with "Choice [C]:  "salad dressing".  {Notice how we usually have to "shake the bottle" ?  Composed of multiple ingredients, (e.g. oil, vinegar, and spices, or oil and other spices, and more ingredientes). 
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Choice: [D]: "milk", as a liquid, is a single, well-mixed, uniform, mixture;  as such, it is "homogeneous".   Note:  "homo-" means "same".
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