In Question 2 of the instructions, why are the Lyman and Paschen absorption series not seen in each of the panel's spectrum? Question 2 options: a) The Lyman and Paschen lines are too strong so they have been removed from the panels so that Balmer is visible. b) The Lyman and Paschen lines are too weak to show up on any of the panels. c) Lyman is UV which is out of range off the short end of the graph. Paschen is IR which is out of range off the long end of the graph. d) The Lyman and Paschen lines are present in all the panels