The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Improved marginal adaptation in a composite restoration can be achieved by:   (A) Moisture free environment   (B) Application of pressure   (C) Acid etching   (D) Continued packing
['(C) Acid etching <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Moisture free environment \n (B) Application of pressure \n (C) Acid etching \n (D) Continued packing <> possible answers', '  Improved marginal adaptation in a composite restoration can be achieved by: <> context@']