Heterogeneous most generally means consisting of different, distinguishable parts or elements. The word is used in a more specific way in the context of chemistry to describe a mixture consisting of two or more different substances or the same substance in different phases of matter (such as ice and liquid water).
Transhumance is pastoral nomadic people who move their livestock from one pasture to another on a seasonal basis.
The east has low pressure, West has high pressure. east is cold, west is hot. station a has high pressure and high winds, station b is the opposite, and station c has little to none
