1 Sip water or sugarless drinks often. 2  Avoid drinks with caffeine, such as coffee, tea, and some sodas. 3  Caffeine can dry out the mouth. 4  Sip water or sugarless drinks during meals.
persuasive - intended or having the power to induce action or belief; persuasive eloquence; a most persuasive speaker; a persuasive argument. convincing - causing one to believe the truth of something; a convincing story; a convincing manner.
The purpose of argumentation (also called persuasive writing) is to prove the validity of an idea, or point of view, by presenting sound reasoning, discussion, and argument to thoroughly convince the reader.