The incidence of strikes can be predicted in part by all of the following except:

A) The unemployment rate
B) The size of the bargaining unit
C) The duration of the collective bargaining agreement
D) The business cycles

All of the following structures are found on the tibia except the

A) medial malleolus.
B) tibial tuberosity.
C) lateral malleolus.
D) anterior border.
E) lateral condyle.

Secondary xylem contains all of the following cell types except :

A) tracheids.
B) vessel elements.
C) sieve tube elements
D) fibers.
E) parenchyma.