This is indirect characterization because it SHOWS, rather than tells.
Here are two examples:
Indirect: Erica stomped her foot and flew out of the room.
This shows that she is angry, rather than just tells.
Direct: Erica was so angry she stomped her foot and flew out of the room.
This just tells you she's mad.
The answer is (b) volcanic rock-lichen mosses-sea grasses
I HOPE THIS HELPS :)
Delicate means easily broken
