Posted By: 
Joe D.1...
If I disagree with the first grader and resubmit... I don't see a need to disclose the first grader's opinion.   If I do not disagree with the first grader - I wouldn't resubmit.
2...
same as 1
3...
same as 1
4...
"improved"?  are we talking alterations?
I could say - I don't mind if a pencil mark/writing  is erased or tape is removed.