If the rain water contain powdered materials the mixture is nonhomogeneous.
heterogeneous if it is assumed that dust particles are present
It is heterogeneous by the fine dirt particles collected above polluting land area. Maybe rainwater from ocean rainclouds collected far from industrialized coasts is about clear enough to call it a homogeneous solution of carbon dioxide (and other gases) in pure water.
If the rain water contain powdered materials the mixture is nonhomogeneous.
Rice grits is homogeneous, corn grits is homogeneous, rice and corn grits mixed is heterogeneous.
heterogeneous
Heterogenous
peach is heterogeneous or homogeneous?
Mixtures can be homogeneous but also heterogeneous.
If it's got pulp in it, it would be heterogeneous -- otherwise, it is homogeneous.
Heterogenous
Medicines may be homogeneous or heterogeneous.
me don't know