If a part of cement mortar gets detached from the surface, exposing the coarse aggregate which results in a rough surface, then it is called ___________

If a part of cement mortar gets detached from the surface, exposing t

1.	If a part of cement mortar gets detached from the surface, exposing the coarse aggregate which results in a rough surface, then it is called ___________
A.	Ravelling
B.	Mud pumping
C.	Mud jacking
D.	Scaling
Answer» E.