We are learning about homogeneous and heterogeneous. i will tell you what they mean.. ---->

Homogeneous means:  when the items or elements or units of a group are similar in nature is known as homogeneous, which means having the same type of basic qualities or properties. The opposite of homogeneous is heterogeneous.

Heterogeneous means: Though by definition we can define things as homogeneous, but at micro scale nothing can be homogeneous.In that sense we can say that things can be describe that things, people, places  environments etc. can be labelled as homogeneous only at macro scale.