In October, 2011, the World's Population Reached a Total of ________

question 55

Multiple Choice

In October, 2011, the world's population reached a total of ________ billion and is expected to reach ________ billion by 2040.

• A) 9; 14
• B) 10; 12
• C) 7; 9
• D) 7; 15
• E) 9; 11

---

Definitions:

Void

A keyword indicating that a function does not return any value.

Pass By Reference

A method of passing arguments to a function where the function can modify the argument's actual value in the caller by having a reference to the original data rather than a copy.

Function Header

The initial part of a function in programming that specifies the name, return type, and parameters of the function.

Function Declarator

A function declarator in programming defines the name, return type, and parameters of a function.