[ An interesting question. What world did this one come from that he did not know of moss? ]
Yes, I know of moss. It can be quite useful, for navigation and some healing purposes.
... Is there no moss in your world?
Other options:
no subject
[ An interesting question. What world did this one come from that he did not know of moss? ]
Yes, I know of moss. It can be quite useful, for navigation and some healing purposes.
... Is there no moss in your world?