While many writers use convince and persuade interchangeably, there are distinctions in meaning that careful writers and speakers try to preserve. Today, I am going to outline the traditional differences between these two words and give you a few tips to remember the difference between them.
The common medical abbreviation UA stands for: A. unit aide B. urea C. urinalysis D. upper alimentary 28. The common medical abbreviation TAT stands for: A. test and trial B. tetanus antitoxin C. thyroid attacking toxin D. emergency 29. The common medical abbreviation SSE stands for: A. superior subcutaneous epidermis B. superficial subcutaneous epidermis C. soapsuds enema D. stainless steel edge 30.
The astronomical unit (AU or au or a.u. or sometimes ua) is a unit of length. It is approximately equal to the mean distance between the Earth and Sun. The currently accepted value of the AU is 149 597 870 691 Â± 30 metres (about 150 million kilometres or 93 million miles). The symbol ua is recommended by the Bureau International des Poids et Mesures, but in the United States and other anglophone countries the reverse usage is more common.