Review Assessment

Exit

Question 1 of 1

  Time Left


0
550348
0
600
block

Transporting goods upstream is an example of _________?

Fill in the blanks  

(0/0)





550349
0
600
none
550350
0
600
none
550351
0
600
none
550352
0
600
none
550353
0
600
none
550354
0
600
none
550355
0
600
none
551387
0
600
none