I think it would be the third one "the process of communication is distinct for everyone"
because the term idiosyncratic basically means "to one self"
The developmental pattern that a "how-to" essay would follow is a process analysis. The correct answer is option C. Process. This is a kind of essay that present directions; like how something should be done in order, or how something happened chronologically. It involves a step-by-step process from first to last.
A book about the
Challenger explosion
written in 2008, updates
with recent findings
