Answer:
Use online databases to find articles in journals, newspapers, and magazines (periodicals). You can search for periodical articles by the article author, title, or keyword by using databases in your subject area in Databases.
Answer and Explanation:
You should use multiple sources to show that your essay has a diversity of information, being a rich essay, where you researched different points of view and endeavored to create it according to several relevant works on the subject. In addition, multiple sources provide more support for you to create your arguments and your own original ideas, as it offers you a more complete range of information.
The Yolk is inside of the egg, so, the Egg is to yolk as suit is to jacket.