I would suggest the answer would be both A and D, mail merge is used to specify different field for different recipients.
Answer:
High learning
Explanation:
High Learning means that a product require significant customer education before customers understand how the product functions and that may make the product stay longer in the introduction stage whilst the customers are being familiarize with it. Examples are microwave ovens.
<span>The INTERNET is a worldwide collection of networks that links millions of businesses, government agencies, educational institutions, and individuals.</span>
Answer: A
Explanation: For any formal document you need your major points.