revising involves adding facts, details, and\no claims.\no counterclaims.\no quotations.\no rebuttals.

Brief Explanations:

Revising a piece of writing often includes adding more evidence - like quotations - to support ideas. Quotations are direct statements from sources that can add credibility and detail. Facts, details, and quotations enhance the quality of a written work during the revision process. Claims, counter - claims, and rebuttals are more related to argumentative structure rather than the general act of adding content during revision.

Answer:

quotations.