To create the proper tone for an argumentative essay, writers should delete personal “I” statements.
include vague statements.
remove any slang words.
focus on the evidence.

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth