I'm tempted to give a clue, but I don't think it's needed just yet.
Passes the baton over to Chalks. Nice to see you back and in fine form!
The baton is passed inscrutably to Software.
Ah, I know!
Abstract with Animal, Vegetable and Mineral connections.
Discretely hands the baton over to Rosie!
This one is MINERAL, sort of. Should be fairly easy.