The earliest vascular land plants were characterized by which features?
A)seed-producing and rootless
B)seedless and root-bearing
C)seedless and rhizome-bearing
D)seed-bearing and rhizome bearing
E)seedless and rootless
Question 2
Wind erosion occurs by ____.
A)saltation only
B)abrasion only
C)deflation only
D)saltation and abrasion
E)abrasion and deflation