Increase/Decrease Indent tool is a good way to make certain text stand out from a list

Which of the following are potential problems when we use the delete operator on a pointer variable?

a) inaccessible heap memory b) dangling pointers c) uninitialized pointers d) NULL pointers

________ are commands embedded in HTML documents to provide for content creation.

a) PARAM methods b) Form methods c) Environment variables d) Server-side includes