What is the difference between editing and proofreading?

editing addresses surface errors and proofreading corrects structure.
proofreading addresses surface errors and editing addresses structure.
proofreading addresses only spelling issues and editing addresses only grammar issues.
editing addresses only spelling issues and proofreading addresses only spelling issues.

Usually, when people talk about "rocky” relationships, it’s with a frown, but mine has enriched my life. i became fascinated with rocks when i was really young, and throughout my childhood you could usually find me with my pockets bulging from whatever stony treasures i’d scavenged that day. when my science teacher taught us a unit on geology, i realized that my fascination could become an exciting career that could also me make good money. obtaining an internship to work on the geological exhibit at the museum is an important step on my road to being a geologist. the best description of the writer’s point of view is that the person is eager to make a lot of money in a museum internship. insistent that geology should be taught as part of every science course. hopeful to be able to further the goal of eventually becoming a geologist. concerned that people do not generally relate well to the study of geology.

Read the excerpt from act 1, scene 3, of julius caesar. cassius. am i not stayed for? tell me. cinna. yes, you are. o cassius, if you could but win the noble brutus to our party— cassius. be you content. good cinna, take this paper and look you lay it in the praetor’s chair, where brutus may but find it. and throw this in at his window. set this up with wax upon old brutus’ statue. all this done, repair to pompey’s porch, where you shall find us. is decius brutus and trebonius there? cinna. all but metellus cimber, and he’s gone to seek you at your house. well, i will hie, and so bestow these papers as you bade me. cassius. that done, repair to pompey’s theatre. what is cassius’s motivation for sending brutus the letter? cassius wants to make sure that cinna is on his side. cassius wants to reassure cinna that brutus will follow them. cassius wants to sway brutus to kill caesar. cassius wants to alert brutus about the conspiracy against him.

Mr. underwood's editorial defending tom robinson is surprising because he's described as not wanting to be near negroes it's a dangerous stance to take at that time he had been neutral during the trial he wasn't in the courtroom