If you had to remove an element from the queue, which of the following would occur? uses one queue to delete another removes the back element from the queue removes the front element from the queue removes all elements from the queue leaving an empty queue Question 19 1 pts If you had to add an element to the queue, which of the following would occur? adds all the contents from one queue to another appends one queue to the back of another adds a new element to the front of the queue O adds a new element to the rear of the queue