Question 3 is a visual effect in which an item on the page changes when the pointer is placed over it. Animation Opacity Ob oc Rollover d. Transition Question 4 Which of the following style rule will remove bullets from an unordered list? List-style:none; O a Ob Style-type: none ; List-style-type:none; d. List-type none specifies the number of columns an element should be divided into Column-fill a. Column-count b. Column-number Column-rule All the following are built-in JavaScript objects except: Object O a. String Ob Employee Oc Math Od