Coffee is an example of a a
homogeneous mixture

b
heterogeneous mixture

c
suspension

d
colloid

Coffee would be an example of a homogeneous mixture.

A homogeneous mixture is a mixture where you could not see the different parts of the mixture. In coffee, the tiny bits of coffee bean are not visible to our eye.

Cereal on the other hand, is a heterogeneous mixture because we can see the different parts of the mixture (the cereal and the milk)!

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