Technical writing<span> is a type of </span>writing<span> where the author is </span>writing<span> about a particular subject that requires direction, instruction, or explanation. This style of </span>writing<span> has a very different purpose and different characteristics than other </span>writing<span> styles such as creative </span>writing<span>, academic </span>writing<span> or business </span>writing<span>. and i think this is the right anser not 100 percent sure!</span>
Sub-questions are narrower questions. They are important because they provide the 'skeleton' around which you will find information to answer your main research question.