In a bubble sort, you use an inner loop to make pair comparisons.
Answer 515be559d883f8eab00011e5
head is the tag at the top of your page containing your meta-tags, styles, scripts and title. headings are the h1, h2, h3 etc tags that allow you to size your text. a is an anker usable in the url for navigating to other pages or as in-page navigation.
The union of two tables is basically the total of the two tables, so "or" questions would be my guess.
Answer:
When Scheme is a pure functional language, it cannot include the function DISPLAY. Since the pure functional languages will return the same value whenever the same expression is evaluated, and the DISPLAY would be the output and thus it cannot be part of the purely functional language. Thus in the pure functional language we can evaluate the expressions with the same arguments and it returns the same value since there is no state to change.
Explanation: