Answer:
None
Explanation:
Concrete is only Gray, you can't see the components.
Milk Is obviously homo because you cant see the water AND milk. its just water milk.
Pure water, ofc Its an universal solvent.
So obviously its homo.
And pure gold, you can only see The color and shape thats it
Author:
rocíotjhs
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4Answer:
D.
You can see small parts of gravels on every concrete if it wouldn't be furnished by pure cement.
Author:
landint0km
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5