____ is the expression of purity or strength of a color.

When users are importing data from an Excel spreadsheet into a new table, they have the option to set their own primary key if there is a field in the source file that is unique for each record

Indicate whether the statement is true or false

Return by reference was used for the overloaded [ ] operator function of the Array class because:

A. it is possible that an invalid index of the Array might be accessed B. the function call for this function might appear on the left of an assignment C. the function was inlined D. conditional compilation was used