Identify the correct order of the words to complete the sentences about college registration systems. Blank one uses fingerprints or retina scans to register students. Blank two is a registration that uses a form completed with a pencil and then scanned by a machine. Blank three is a tag using microchips and radio signals worn by students that registers them when they enter the classroom. Blank four are made of plastic and contain a chip that can be swiped through a machine to register the student.