Immunosuppressants, by it's name itself, suppresses or inhibits the immune system for functioning in a certain amount of time. It is administered usually during transplant surgeries, so that the new cells of the organ does not get killed by the recipient's immune system.
Glass is brittle
Iron is malleable and ductile
glass is ressistant to corrotion
iron corrodes easily
Liquid doesnt dissolve the glass
some luquids can dissolve iron
iron is magnetic
glass isnt
95% sure it is answer B) Detect the electrical discharges of prey in the sand using small pits on it's bill, crush the food with grinding pads on the top and bottom of it's bill (they don't have actual teeth), and webbed feet.
I did some quick research and it had all of those things.
Hope this helps.