Pick out the wrong statement?

B. meter, in which the area beneath the curve represents the surface

C. Cumulative analysis for determining surface area is preferred over differential analysis,

D. ause of the assumption that all particles in a simple fraction equal in size is not needed

E. Rolling of pebbles/balls from top to bottom of the heap in tumbling mills is called cascading

F. throwing of the balls through the air to the toe of the heap is called cataracting