If two pointers, each in its own object, point to the same location in the heap, and that location is freed by the destruction of one of the objects, the pointer in the other object becomes a:

A PDF file ___________.

a. cannot be easily changed b. works only with Apple computers c. cannot be printed d. can be opened with Microsoft Word

________, or miniature charts, provide a way to graphically summarize a row or column of data in a single cell

A) Power Pivot B) Silverlight C) Sparklines D) PivotChart