When creating an Excel document, you should avoid using _____ text and background together, since this is the most common form of color blindness.

In a recursive module, if the module has called itself six times, the depth of recursion is _________.

Fill in the blank(s) with the appropriate word(s).

When Excel is installed, the default chart type for a PowerPoint slide is a(n) ____ chart.

A. 3-D Exploded Pie B. Clustered Bar C. X-Y Scatter D. Clustered Column