A.Those areas of the world which by reason of physical limitation, low and erratic precipitation, rough topography, poor drainage
B.Extreme temperature are unsuited to cultivation
C.A source of wood products, water and wildlife
D.All of the above
A.Those areas of the world which by reason of physical limitation, low and erratic precipitation, rough topography, poor drainage
B.Extreme temperature are unsuited to cultivation
C.A source of wood products, water and wildlife
D.All of the above