Editing and proofreading can be completed at the same time. are the same thing. are two distinct activities that must be performed separately. is the process of locating mechanical errors?
1) Editing and proofreading can be completed at the same time.
2) Editing and proofreading are the same thing.
3) Editing and proofreading are two distinct activities that must be performed separately.
4) Editing and proofreading is the process of locating mechanical errors.