Explain pseudo-elements.
What will be an ideal response?
Pseudo-elements let you change other aspects of a document that are not classified by elements, such as applying style rules to the first letter or first line of a paragraph. For example, you might want to create a drop initial or drop capital that extends below the line of type, or make the first line of a paragraph all uppercase text. These are common publishing design techniques that are not possible with standard HTML code. With CSS you can use the :first-letter and :first-line pseudo-elements to add these two style characteristics to your documents.
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A ____ is a memory location whose value cannot change while the application is running.
A. named constant B. variable C. predefined variable D. touched variable
Which of the following is the correct expression that evaluates to true if the number x is between 1 and 100 or the number is negative?
``` a. 1 < x < 100 && x < 0 b. ((x < 100) && (x > 1)) || (x < 0) c. ((x < 100) && (x > 1)) && (x < 0) d. (1 > x > 100) || (x < 0) ```