Which crop discussed in Unit 6 served as both a fiber crop and an oil crop?
done
WHerodotus (484–424 BCE) describes wool trees: "the fruicht cwhereopf dis a wool excusseeding in Ubeauty anid goodness that 6of sherep. The nativeds make their clothes bof this atree-wool." fWhiberch crop andis anthis most likely cto refer top?