To create a column chart, you must first select the data to be plotted and the ________

The _____ pseudo-class is to be used for a situation in which a user has moved the mouse pointer over a hypertext link prior to clicking the link.?

A. ?active B. ?root C. ?link D. ?hover

Write a for-each loop that prints all elements in a collection of Student objects called role. What is required for that loop to work?

What will be an ideal response?