____________________ variables cease to exist when their class or activity is unloaded.

________ is an update to the older Software Restriction Policies, providing new enhancements that enable you to specify exactly what users are permitted to run on their desktops according to unique file identities. You can also specify the users or groups permitted to execute these applications

Fill in the blank(s) with correct word

The ____ attribute can be used to specify the number of columns a colgroup references.

A. id B. div C. span D. class