When should you not use a dictionary?

Third-person omniscient narrators are likely to be reliable because they're impersonal and know everything about the story they don't care enough about the characters to lie none of the above both "a" and "b"

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.

During editing and proofreading, you do not need to a. check facts b. follow grammar, usage, and mechanics c. scrutinize spelling d. revise overall structure