Which query type is used to find the value of an entity based on an entity's attribute?

When sharing a document with others, you can use ________ to keep track of all additions, deletions, and formatting changes made to the document

Fill in the blank(s) with correct word

As frustrating as viruses and worms are, perhaps more time and money is spent on resolving virus __________.

A. false alarms B. polymorphisms C. hoaxes D. urban legends