Use a comma before any coordinating conjunction (and, but, for, or, nor, so, yet) that links two independent clauses.
Anything that is visible or tangible and is relatively stable in form
What is the story? The climax is the main conflict.
Peter should develop his thesis statement during the prewriting stage. At this stage, an author thinks about what he is going to write about further down in the text, and a thesis statement is exactly that - a short summary of the main ideas that are going to be developed in a text.
D) prosaic : unpoetic
prosaic means to lack poetic beauty