1. Describe the difference between the if/else if statement and a series of if statements. 2. In an if/else if statement, what is the purpose of a trailing else? 3. What is a flag and how does it work? 4. Can an if statement test expressions other than relational expressions? Explain. 5. Briefly describe how the && operator works. 6. Briefly describe how the || operator works. 7. Why are the relational operators called relational? 8. Why do most programmers indent the conditionally executed statements in a decision structure? Fill-in-the-Blank 9. An expression using the greater-than, less-than, greater-than-or-equal-to, less-than-or- equal-to, equal-to, or not-equal-to operator is called a(n) expression. 10. A relational expression is either or 11 The value of a relational