How Many Minerals Are Known to Be Required in the Diet

question 20

Multiple Choice

How many minerals are known to be required in the diet of human beings?

• A)6
• B)12
• C)16
• D)24

---

Definitions:

Null

A special marker used in many programming languages to indicate that a reference does not point to any object or is not associated with any value.

Boolean Expression

An expression in programming that evaluates to either true or false, often used in conditional statements.

Javadoc

A documentation generator for Java code, which creates HTML pages of API documentation from Java source code.

Comment

Lines within a program’s code meant to provide explanations or annotations, which are ignored by compilers and interpreters.