What is another word for sub stratums?
Pronunciation: [sˈʌb stɹˈɑːtəmz] (IPA) 
Sub stratums, also known as sub-layers or substrata, refer to the underlying layers of material or substances that exist beneath the surface of something. These sub-stratums can be found in various forms, such as bedrock, soil, sediment, or even artificial layers such as pavement or concrete. Other synonyms for sub-stratums include substrates, grounds, foundations, or basis. Understanding the composition and characteristics of sub-stratums is crucial in various fields, including geology, biology, agriculture, engineering, and construction. It provides valuable insight into how substances or materials interact with one another within an ecosystem, as well as how they impact the structure and stability of a particular structure or phenomenon.
