The term used to remove an element from a stack is

		push
		peek
		pop
		parse

If a stack doubles in the amount of information that it contains, the time to pop an item onto the stack

	a.	doubles in time
	b.	is reduced by a factor of two
	c.	increases exponentially
	d.	remains constantn

By definition, a link class within a link list will contain

	a.	some key value
	b.	some data
	c.	a refercence variable to the link object
	d.	some data and a reference to the next link

The reference to another link in the link list

	a.	is always null
	b.	is the object's address in the computer memory
	c.	is the object itself
	d.	is a pointer to an indirect method