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Anonymous
A heterogeneous mixture is a mixture that is not evenly mixed.
Heterogeneity (the noun) means the opposite of homogeneity, which means "uniformly distributed".
Alanis Rutherford ∙
Oxygen gas is homogeneous matter.
The root word of heterogeneous is hetero, whos meaning is other. ; heterogeneous : 1624, from Gk. heterogenes, from heteros "different" + genos "kind, gender, race stock"