A.Botany is a very ancient learning,B.People in the Stone Age knew a lot about plants.C.People in the Stone Age knew little about plants.D.Pre-industrial societies have little insights about plants.
A.Botany is a very ancient learning,
B.People in the Stone Age knew a lot about plants.
C.People in the Stone Age knew little about plants.
D.Pre-industrial societies have little insights about plants.