Answer:
Existence itself is not homogeneous. It is heterogeneous. That means there are various kinds and degrees of purity.
Answer:
the earth surface is constantly changing from force in nature the daily process of precipitation wind and land moments result in changes to landforms over a long period of time driving forces into rows and volcanoes and earthquakes people also contribute to changes in the appearance of land
? I don’t understand the question?
Yes this is true hope it helps