Answer:
A heterogenous mixture.
Explanation:
If you added sand to your coffee, the kind of mixture your coffee would now
be is a heterogenous mixture.
A heterogenous mixture can be defined as any mixture which has a different or non-uniform composition and properties throughout any given sample of the mixture. This ultimately implies that, the constituents of a heterogenous mixture always remain separate in the sample and as such comprises of two or more phases.
Hence, a mixture of sand and coffee is simply a heterogenous mixture and can easily be separated into their various components.
