Original sentence: Pedologists use the following formula for understanding soil formation:.The main types are: eolian, glacial till, glacial outwash, alluvium, lacustrine parent material and residual parent material, or bedrock
Edited sentence: Pedologists use the following generic functional relationship for understanding soil formation:.The main types are: aeolian, glacial till, glacial outwash, alluvium, lacustrine parent material and residual parent material, or bedrock