Answer to Question 1
Answer: TRUE
Explanation: Informative headings, such as Redesigning Material Flow to Cut Production Costs, give the reader some context and may point toward any conclusions or recommendations that you offer in the section. Well-written informative headings are self-contained, which means readers can skim just the headings and subheadings and understand them without reading the rest of the document.
Answer to Question 2
Answer: Varying sentence length is a good way to maintain reader interest and control the emphasis given to major and minor points. Look for ways to combine a mixture of sentences that are short (up to 15 words or so), medium (15-25 words), and long (more than 25 words). Each sentence length has advantages. Short sentences can be processed quickly and are easier for nonnative speakers and translators to interpret. Medium-length sentences are useful for showing the relationships among ideas. Long sentences are often the best way to convey complex ideas, to list a number of related points, or to summarize or preview information. Of course, each sentence length has disadvantages as well. Too many short sentences in a row can make your writing feel choppy and disconnected. Medium sentences can lack the punch of short sentences and the informative power of longer sentences. Long sentences are usually harder to understand than short sentences because they are packed with information; they also harder to skim when readers are just looking for key points in a hurry.
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